LIBRARY ABSTRACTS

Not every possible number is allocated, so the numbers are not necessarily consecutive.

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In addition, The British North America Philatelic Society's Horace W. Harrison Online Library makes available online issues of BNA Perforator and BNA Topics including many referenced here.

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We gratefully acknowledge the permission granted by The Perfins Club to reproduce material published by them, including their periodicals "Perfins" and "The Perfins Bulletin" (the latter appearing as "Perf. Bull." in the listing that follows) - the copyright for these items remains with The Perfins Club.
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No.	Title	Author	Publishing Details	Description
2001+	Sellos Postales Perforados de la Republica Argentina	Bose W.B.L.	pub. 1985	pp 26
2002+	Commercial Perfins of Australia	Mathews, J. & Grant, J.	pub. 1992	pp294 + Supplements
2003+	Australian Official Perfins	Andersen, D.W.	pub. 1987	Pp 51 – see also 1200.
2004+	The Perfins of Belgium - 2nd Ed	Hammink, I.R. & Van der Hoorn, J.M.	pub. 1997	pp 145
2005+	Perfins of Czechoslovakia – reprint of supplement	Fejtek, Vaclav	pub. 1994
2006+	Catalogue of Perfins from the Territory of Czechoslovakia - 4th Ed Reprint with supp.	Maxa, V. & Fejtek, V. & Janecek, L.	pub. 1988	pp 204
2007+	Perfins of Greece and Crete	Hammink, R.J.	Perfin Club Nederland, 1997	pp 51
2008+	Katalog over danske firmaperforeringer	Hansen, P.E. & Krolak, J. & Moller, J. & Fauerbo, P.	Danish Perfin Society, 1991	With translation – see also 1712.
2009+	Perfins on Egyptian Stamps	Varjabedian, V.	pub. 1999	pp 32 + 2000 supplement pp 1. See 2317 for an update.
2010+	Catalogue de Timbres Perfores, France et Colonies - 2nd Ed	Dedecker, R. & Herbert, M. & Janot, R.	pub. 1990	pp 353
2011+	Hong Kong Security Markings	Tsang, Ming. W.	No publisher	Catalogue
2012+	The Overprinted Receipt Stamps of Ireland	Wright, N.M.	No publisher	pp 5
2013+	Ireland - Catalog of Perfins	Mewhinney, R.L.	US Perfins Club, 1994	pp38
2014+	Perfins of Italy	Hammink, R.J. & Van der Hoorn, J.M.	pub. 1995	1995
2015+	Catalogue of Japanese Perfins - 3rd Ed (translation only)	Adachi, T.	pub. 1980	See 1772 and 5405.
2016+	Catalogus van de perfins van Nederland en OG	Verhoeven, Jan L.	Perfin Club Nederland, 1991	pp 305 (illustrated) – see also 1401.
2017+	List of users of New Zealand perfins with history of users	No author	pub. c. 1960	pp 9 – see also 1217.
2018+	Catalogue of the Perfins of Portugal and Portuguese Overseas Provinces	Everett, R.	pub. 1988	pp 62 – see also 1704
2019+	Russian Perfins	Walker, P.	pub. 1996	pp 26
2020+	The Alnis Guide to Perfins of Ceylon & Sri Lanka	Ellis, A.	pub. 1981	pp 16 – see also 4267
2021+	Checklist of US Perfins	Bartleson, A.	pub. 1954	pp 110
2022+	Catalog of United States Perfins (not illustrated)	Lougee, K.F.	US Perfins Club, 1964?	pp 300 – see also 1716
2023+	The Time Marking Machine Co & B F Cummins Co. Reprint from Machine Cancel Forum	Louis Geschwindner, Reg Morris and John Koontz	pub. 1982
2024+	De geschiedenis van de POKO postzegelplakmachine (partial translation)	Hammink, R.J.	Perfin Club Nederland 1993	Information on the POKO affixing machines. With illustrations and diagrams of the machines, examples of advertising, patents and prices. pp111
2025+	POKO Perfins from Austria, Czechoslovakia, Hungary, Poland & Danzig	Hammink, R.J.	Perfin Club Nederland 1997	pp 107
2026+	Zwitserse POKOs / Swiss Perfins	Hammink, R.J.	pub. 1992, Perfin Club Nederland	In Dutch, pp 55.
2027+	De Michelius Postzegelplankmachine en Barfrankierungsmachine	Hammink, R.J.	pub. 1991, Perfin Club Nederland	Book, in Dutch, on the Michelius affixing machine, with diagrams of the machine. Pp 50
2028+	World Catalog of Topical Perfins / Wereldcatalogus Thematische Perfins	Hammink, R.J.	pub. 1997, Perfin Club Nederland	pp 68
2029+	Full Name Perfins & Abbreviations	Coles, John	pub. John Coles 1984	pp 32 – see also 1714
2030+	KGV Silver Jubilees	Greenhill, G.E.	pub. 1994	pp 72
2031+	A Preliminary Listing of GB POKOs	Skinner, H. & Gault, R.	Perfin Society, 1992	pp 14
2032+	British Empire Exhibition Stamps 1924-25	Nelson, J.	pub. 1993	pp 16
2033+	The Handbook of British Perfins - 2nd Edition	Nelson, J.	SEPS 1983	pp 30
2034+	The Handbook of British Perfins - 3rd Edition	Nelson, J.	Perfin Society 1988	pp 30
2035+	Catalogue of Identified GB Perfins - Tomkins Catalogue - 5th Ed	Tomkins, B.	SEPS 1972-74.
2036+	Pilfering, Protection & Perfins - an aspect of the line engraved 2d.	Beer, B. & Harp, M.	No publisher	pp 36. In English and German.
2037	Canadian Perfin Officials	Brown, Tony	Royal Philatelic Society of Canada - 2009
2038	Victorian Innovation 1837-1901	None	British Postal Museum & Archive 2005	A general appraisal of postal innovations, includes an example of a Sloper experimental postcard cancellation on page 7. pp 16
2039	Perfins van Levant en Turkije	Hammink, R.J.	Perfin Club Nederland January 1997
2040+	Perfins of the Levant and Turkey	Hammink, R.J.	Perfin Club Nederland, 1997	pp 42
2041	The Railway Perfins of Ireland	Wright, Norah K.	Die Harfe – August 1991 pp. 42-46
2042	The thing about stamps … or is it the stamps as things	Youngblood, Wayne	American Philatelist – 120, (3), March 2006 pp. 218-220
2043	V.G. Puncture Reversed – an Explanation?	Tapp, T.C.	The Bulletin of The British Society of Australian Philately, 28, (8), Nov 1973, 51-52
2044	Railway Companies Perfins	Gowan, D.P.	Railway Philately, 9, (3), June 1975, pp 51-53 9, (4), Sept 1975, pp 77-78
2045	Talking Point – A Call from Germany	Von der Heydt, V. Wilhelm	Railway Philately, 13, (4), Sept 1979, p 80
2046	The Early Flights of Germany	Barlow, A. N.	Germania, 1, (6), Dec 1964, pp 213-217
2047	Editorial – Punctured Stamps	Poole, Bertram W. H.	The West-End Philatelist Vol II, (19), Sept 1905, 97-99	Contemporary report of the replacement of overprinted officials in Australia with official perfins, including a discussion of the collectability of such items.
2048	Eurothema 2007 – Gazelle Perfin	Hayward, John	Gibbons Stamp Monthly Nov 2007, pp. 62-63	An example of the full name perfin Gazelle of Dieren, Netherlands is illustrated along with a picture of the firm's factory.
2049	Initial Punctured Stamps	Ward, W.	Stamp Collecting, Aug 26th 1933, p.528	In response to an article by Hugh Vallency, the author comments that perfinning stamps “is looked upon as a very bad advertisement - that a firm cannot trust its own employees”.
2050	An Identification System for the N.B./V. Perfin	Mistretta, Paul A.	Netherlands Philately, March 1987, 11 (3), pp.62-67
2051	Sloper’s Patent and the Case for the Perfin	Bament, Michael	Cross Post, Vol. 7, No 4, Spring 1999
2052	More on Perfins		Cross Post, Vol 8, No. 2, Spring 2000	Follow up to 2051.
2053	Sloper’s Patent and the Case for the Perfin – followup	Bament, Michael	Cross Post, Vol 8, No. 1, Autumn 1999	Follow up to 2051. Includes an illustration of a Sloper 5 reigns plaque.
2054	The Perfins of Venezuela	Brunell, Bruce	Bay Area Perfin Association Newsletter, Vol 2, No. 1 Feb 9th 1999
2055	A Story of Les Minquiers: A Mystery Solved	Sandy, Alan	Bay Area Perfin Association Newsletter, Vol 2, No. 1 Feb 9th 1999
2056	The 1937 World Jamboree Perfins	Moolenaar, Erik	Publication details unknown
2057	Commercial Overprints, Security Printing	Armitage, Lawrence	Overprinter, 2000
2058	Postage Stamps with Fiscal Overprints	Harris, Albert H.	Philatelic Magazine Xmas Annual 1929 p 52	A very early suggestion that fiscal overprints on postage stamps might be worth collecting.
2059	One Harding mystery solved, another created	Hotchner, John M.	Linn’s Stamp News, Vol 73, Nov 13th, 2000
2060	Perfin Italiani – È Esistito Uno Sloper Nostrano?	Bertazzoli, Enrico & Ermentini, Beppe	Vaccari Magazine No 24/00	In Italian.
2061	Advertising Rings 1857-88	Griffin, Peter G	The RAFLET Philatelic Magazine Aug/Sep 2000 – Year 42 – No 5 – pp. 33-35
2062	The Signification of Cancellations	Harris, Albert H.	Stamp Collectors’ Annual 1939 pp. 27-32	Zig zag line perfin on ORVAL issues.
2063	The 1934 Security Prints on Victorian Railway Parcel Stamps	Elsmore, Dave	Cinderellas Australasia 19, (3), Dec 2003 p. 75	Some information on the overprints on Victoria railway stamps.
2064	Collecting Perfins	Sterckx, Alan	Stamp Collecting, April 26th 1984 , pp. 167-169
2065	Collecting British Perfins	Tarrant, Richard	Stamp & Coin Mart – March 1990 pp.32-33
2066	Great Western Railway	Edwards, T A	The Stamp Magazine - March 1985 p. 61
2067	A Case for Collecting Damaged Stamps	Lesher, Ron	Scott Stamp Monthly 27 (9) Sept 2009
2068	Why Does my Stamp have a lot of holes in it?	Baadke, Michael	Linns Stamp Weekly Website
2069	Perfins: Maximum Challenge, minimum cost	Miller, Rcik	Linns Stamp Weekly Website
2070	Collecting Perfinned Stamps: the whole story	Wunderly, Kathleen	Linns Stamp Weekly Website
2071	The “POKO” Perfins	Müller, Horst	Stadtpost, (27) September 1988, p. 334-5
2072	Perfins	None	Stadtpost, (14) June 1985, p. 184
2073	Perfins	None	Stadtpost, (15) October 1985, p. 199
2074	Perfins Update	None	Stadtpost, (31) July 1991, p. 484-6
2075	Perfins	None	Stadtpost, (13) March 1985, p. 169-172
2076	Perforated Initials on Stamps of the German Post Offices Abroad	Doyle, J. K.	Vorläufer, Dec 1997 (109), 21-24
2077	German Offices in Turkey – EOB *	None	Vorläufer, Dec 1982 (57), 13
2078	Homely is Beautiful	Belnap, Tom	The Informer, 52, (4), Spring 1988, p. 55
2079	Switzerland’s Postal Envelope Essays and Proofs	Stone, Harlan F.	Postal Stationery, 49, (5), Sept-Oct 2007
2080	Why is this Western Australia stamp holed?	Hughes, T. A.	Stamp Magazine, 75, (8), Aug 2009 p.82
2081	Kelly & Walsh Perfin Proving Card	Farrant, Michael G.	Vorläufer, Dec 2008 (153), 10	A proving cover for perfin K&W used in the German post office in Shanghai.
2082	Belgian Mystery	No author	Atalaya, 18, (2), Summer 1993 p. 9
2083	Question 4	No author	Stadtpost, (1) March 1982, p. 12
2084	Antarctic Issue Puncture G/NSW	No author	Stamp News, 15, (1), January 1968, p. 16	9d and 2/- stamps issued for use in the Australian Antarctic Territory are reported perfinned G/NSW Type 7.
2085	Punctures	No author	Stamp News, 14, (10), October 1967, p. 5
2086	Status of O.S. Punctures	Sheppard, N.J.	Stamp News, 14, (9), September 1967, p. 9
2087	My life through perfins	Hornung, Otto	Philatelic Exporter, April 2009, 64, (12), p.35
2088	Puzzle Corner – Q130	No author	T.P.O., 14, (4), Jul-Aug 1960, p. 123	An envelope has bean submitted bearing the datestamp of Spring Street, Paddington, 8th July ,1868, and the T.P.O. transit mark of Edinr. M2 dated 9th July. The envelope is addressed to the Royal Bank. of Scotland, Edinburgh perforated with the R in star illustrated here.
2089	Quoting You – Perfins	Kidd, Cyril & Jennings, Charles	Stamp Collecting, Dec 21st 1956, p. 477	Letters on the subject of railway perfins.
2090	The Private Overprints of Naylor, Benzon & Co	McGowan, Bertram	The British Philatleist, July 1935, 28, (5), p. 40	A list of GB stamps known with the overprint of Naylor, Benzon & Co
2091	Specimen Punches	Hines, Terry	State Revenue Newslatter 16, (4), July 1976, p. 59	“SPECIMEN COLUMBIAN BANK NOTE CO CHICAGO” carpet dies are reported on state revenues of South Dakota and Utah.
2092	Spanish stamps with holes *	No author	Mekeel’s Wkly Stamp News, 4 Feb 1905, 19, (5), 37	“Spanish stamps with holes punched in them were used as telegraph stamps, a correspondent is informed, and were ""not given to prisoners and used on mail from Such.""”
2093	Perfins of the Philippines	Coughlin, Ray L.	Stamp Show News, April 1976	2 page illustrated article.
2094	Chartered Bank of India, China and Australia (CBI) Perfins	Lehmann, Douglas K.	Philippine Philatelic Journal, 18, (1), 1Q 1996	A detailed article on the C.B.I. Perfins of Chartered Bank of India, China and Australia used on postage and revenue stamps of the Philippines. See 2097 for follow up.
2095	Worksheet for the Perfins of Philippines	Coughlin, Ray L.	The Perfins Club Library - unpublished	Illustrated listing of Philippines perfins with details.
2096	Philippine Commercial Postage Stamps	Klein, George	Philippine Philatelic Journal, details unknown	Some details of perfins and control overprints on Philippine stamps.
2097	CBI Perfins – Part 2	Lehmann, Douglas K.	Philippine Philatelic Journal, details unknown	Follow up to 2094, with additional reports of C.B.I. Perfins on Philippine stamps.
2098	Philately for Fun – Fun to be had collecting perfins	McQueen, Ian	G.S.M. November 1997, p.30	Nicely illustrated general introduction to perfins.
2099	‘CA’ on Stamps	Armitage, Lawrence	The Overprinter, No. 3, 1999, p. 72
2100	Perfins of David Jones Ltd. Sydney	Andersen, D.W.	South Pacific Perf. Bull., Oct. 1986, (1), 4-5	The various perfins of David Jones Ltd, Sydney, Australia used on postage stamps and to cancel duty stamps, from 1890s to 1976 are illustrated. (see also 4351)
2101	NZL Perfins on Australian Stamps	Dell, D.	South Pacific Perf. Bull., Oct. 1986, (1), 5-6	Two new patterns of NZL perfin have been found on Australian stamps, bringing the total to 6, all illustrated. They were used by New Zealand Loan and Mercantile Agency Company. (see also 4352)
2102	Private Perfins of New South Wales - Part 1: Postal Issues Update No. 1	No author	South Pacific Perf. Bull., Jan. 1990, (10), 10-12	An update to the illustrated listing of private perfins used in New South Wales. (See 2175)
2103	Perfins on Australian Customs Duty Stamps - an Update	Pocock, D. & Stockwell, I.	South Pacific Perf. Bull., Jan. 1990, (10), 4	Follow up to 2179. Two new dies on the Australian Customs Duty stamps.
2104	Commonwealth OS (Type H)	No author	South Pacific Perf. Bull., Jan. 1990, (10), 5-6	Reports of the Commonwealth OS (type H) perfin on new values of Australian stamps.
2105	Papuan OS Patterns	No author	South Pacific Perf. Bull., April 1990, (11), 10-11	A guide to distinguishing the two very similar OS perfins found on stamps of Papua, with details of the two machines used. (see also 4077)
2106	Queensland Perfin Applications	Vicary, K.	South Pacific Perf. Bull., April 1990, (11), 4-6	Extracts from the Queensland governement file "Private Perforating of Postage Stamps with Figures, Letters or Designs" which records applications by firms to use perfins, with the date of approval. (see also 4069)
2107	New Zealand's Earliest Perfin	Samuel, R.D.	South Pacific Perf. Bull., April 1990, (11), 8-9	Reprinted from New Zealand Stamp Collector, Dec. 1982 (2470). Several candidates for the earliest perfin used in New Zealand are discussed. (see also 4071)
2108	Private Perfins of South Australia: Supplementary Information No.1	No author	South Pacific Perf. Bull., July 1990, (12), 10-11	Follow up to 2154. Additions to the illustrated list of private perfins used in South Australia. (see also 4066)
2109	Private Perfins of Queensland: Supplementary Information No.1	No author	South Pacific Perf. Bull., July 1990, (12), 8-9	Follow up to 2153. Additions to the illustrated list of private perfins used in Queensland.
2110	Tattersals Underprint	Salt, C.	South Pacific Perf. Bull., Jan. 1991, (14), 4	An illustration of an Australian George V 2d stamp postmarked August 1923 with a mauve underprint Tatter-/sall. (see also 4176)
2111	Perfins of the Melbourne and Metropolitan Board of Works	No author	South Pacific Perf. Bull., Jan. 1991, (14), 8-9	A comprehensive listing of the three types of MBW perfins used on stamps of Victoria and Australia. These were used by the Melbourne and Metropolitan Board of Works.
2112	Club Perforator	No author	South Pacific Perf. Bull., April 1991, (15), 4-5	Proposals for a club perforator for The Perfin Club of New Zealand and Australia. Includes details of the perforators currently available from J. Sloper & Co. (see also 4525)
2113	Tattersall Underprints	Fordham, J.	South Pacific Perf. Bull., April 1991, (15), 6	Follow up to 2110. Two different types of underprint Tatter-/sall ; TATTERSALL are illustrated on Australian stamps, with details of the period of use and the method of production. (see also 4526)
2114	SA Perfin	Bradford, R. A.	South Pacific Perf. Bull., July 1991, (16), 2-4	A record of the author's research into auction catalogues, philatelic magazines, government records etc. for the SA perfin used by the South Australia state government. (see also 4144)
2115	Perfin Collectors Beware	Toop, B.	South Pacific Perf. Bull., Oct. 1991, (17), 2	A report of the discovery of a large number of fake Australian perfins OS ; VG ; OS/NSW and VG. (see also 4163)
2116	Extract from Hong Kong Papers	Piens, C.	The Stamp Collector, July 1911, 15, (7), p.138-9	Report of a prosecution for selling Hong Kong stamps with cancellations removed, also notes that the “Postmaster-General has now arranged with all the local banks and large firms to have their stamps perforated with initials”.
2117	COFA and C/OF/A Perfins	Andersen, D.	South Pacific Perf. Bull., Oct. 1991, (17), 7-10	Detailed illustrated article on the CofA and C/OF/A perfins used by Australia House, London and other Australian Governement representatives in GB. Use is also noted by the Australian military.
2118	New Zealand Perfins - Part 5	Samuel, R.	South Pacific Perf. Bull., Jan. 1992, (18), 10-12	Fifth part of an illustrated listing of New Zealand perfins, this part deals with the Vacuum Oil Co perfins. (see also 4189)
2119	VG Fakes and Forgeries	Scott, N.	South Pacific Perf. Bull., Jan. 1992, (18), 3	Forgeries of each of the four types of VG perfin of Australia are illustrated, together with the genuine articles for comparison. With information on the source of the forgeries and contacts for obtaining an opinion as to the status of VG perfins. (see also 4185)
2120	COFA and C/OF/A Perfins - Part II listing of Issues	Andersen, D.	South Pacific Perf. Bull., Jan. 1992, (18), 7-9	Follow up to 2117. A listing of the issues known with the CofA and C/OF/A patterns used by Australian officials in the UK. Includes C/OF/A on stamps issued up to 1980, plus a piece (illustrated) postmarked August 1981, later use than previously thought. (see also 4188)
2121	New Zealand Perfins - Part 6	Samuel, R.	South Pacific Perf. Bull., April 1992, (19), 6-10	Sixth part of an illustrated listing of New Zealand perfins, this part deals with the Vacuum Oil Co perfins. (see also 4225)
2122	Private Perfins of Tasmania	Andersen, D.	South Pacific Perf. Bull., Feb. 1987, (2), 12-15	List of private perfins used in Tasmania, both postage and revenue issues. Includes identites, issues perfinned and a census of numbers reported. (see also 4381)
2123	David Jones Perfins	Stockwell, I.	South Pacific Perf. Bull., Feb. 1987, (2), 5	Illustration of a Australia 1956 Olympic stamp with perfin D JONES L plus some additional holes not forming any obvious pattern. Thought to be a document punch from David Jones Ltd. (see also 4378)
2124	The "Stewarts and Lloyds" Limited Security Overprint	Samuel, R.	South Pacific Perf. Bull., Feb. 1987, (2), 7	Illustrated article concerning the Stewart & Lloyds Limited overprints on New Zealand revenue stamps, of which only 3 examples are known (one illustrated). (see also 4380)
2125	Large Queensland OS - an Update	Toop, B. & Nott, W.	South Pacific Perf. Bull., Oct. 1992, (21), 6	Follow up to 4236. The authors have reported two new Queensland stamps with large OS perfin. One of these new discoveries shows differences in the perfin, raising the question of possible forgery or the existence of two machines. (see also 4154)
2126	David Jones Perfins	Andersen, D.	South Pacific Perf. Bull., Oct. 1992, (21), 7-12	A detailed article on the perfins of David Jones Ltd in Australia, and their overprints on New South Wales duty stamps. Includes a listing of their perfins with known values used (includes revenues). (see also 4169)
2127	Large Queensland OS - Update No. 2	Stockwell, I.	South Pacific Perf. Bull., Jan. 1993, (22), 7	Follow up to 2125. Another suspected forgery of the large OS perfin of Queensland is illustrated. (see also 4096)
2128	The Stamps of Great Britain Perforated "NZ"	Samuel, R.D.	South Pacific Perf. Bull., July 1993, (24), 10-12	The various types of NZ perfin used by the High Commissioner for New Zealand in London are discussed and illustrated. Includes various Sloper provisionals, including 1d booklet stamps perfinned NZ or N, apparently perfinned by hand, a hole at a time. (see also 4201)
2129	Perforated Officials	No author	Stanley Gibbons Monthly Journal, Feb 28, 1911, Vol 19, p. 65 & June 30, 1911 p. 224
2130	China: The Three “Junk” Series and their overprints for Turkestan, Yunnan, Kirin and Szechwan	Colby, Elbridge	The Philatelic Magazine, May 15, 1936	Official perfins, consisting of Chinese characters, on Sin-Kiang stamps are illustrated.
2131	London & Lancashire Fire Insurance Company overprint	Mathews, J.	South Pacific Perf. Bull., Oct. 1993, (25), 4	An overprint London and / Lancashire / FIRE / Company on a New South Wales QV duty stamp is illustrated.
2132	Australian State Revenue Overprints	Mathews, J.	South Pacific Perf. Bull., Jan. 1994, (26), 6	Reports of two overprints on Australian duty stamps. AUSTRALIAN / MUTUAL / PROVIDENT / SOCIETY from South Australia. KRAFT / FOODS / LIMITED from Victoria in 1959. (see also 4125)
2133	A perfin From the Antarctic	Samuel, Robert	South Pacific Perf. Bull., Jan. 1994, (26), 9	Illustration of a 1908 postcard with a New Zealand 1d stamp perfin USSCo and postmarked British Antarctic Expedition. The perfin was used by Union Steamship Company, who were involved with the expedition. (see also 4128)
2134	Sargood Bros' 12 head perforator	No author	South Pacific Perf. Bull., April 1994, (27), 7	The 12 headed multidie used by Sargood Bros in Sydney, Australia has been reconstructed and is illustrated here. The perforator was constructed for New South Wales stamps, but after stamp formats changed, dies 8 to 12 were rarely used.
2135	The OK peforator of Harrold Bros.	No author	South Pacific Perf. Bull., July 1994, (28), 10	Three OK perfins have been identified with Harrold Bros and its successors Harrold, Colton & Co and Colton, Palmer & Preston Ltd in Australia. These appear to be from the same machine, which was used in the UK before 1890 (O0960.01).
2136	GIO Overprints	No author	South Pacific Perf. Bull., July 1994, (28), 3	A listing of GIO overprints on New South Wales duty stamps. This overprint is used by GIO Australia, formerly the Government Insurance Office of New South Wales. (See also 29.5)
2137	The George Adams "A" perfins	Mathews, J.	South Pacific Perf. Bull., Oct. 1994, (29), 6	Details of the eight different A perfins used in Tasmania by George Adams, owner of Tattersalls from 1899 to 1909.
2138	VG Forgeries	Andersen, D.	South Pacific Perf. Bull., Oct. 1994, (29), 7	Some thoughts on the forgeries of the VG perfins in Australia and their impact on collectors.
2139	The "D.I.C" Perfin	Samuel, R.	South Pacific Perf. Bull., April 1987, (3), 14-15	Some discussion of the possible user of the perfin D.I.C of New Zealand, of which only one example ( a pair) is known, postmarked Wellington. A possible user is Drapery & General Importing Company of New Zealand Ltd.
2140	A New NZ Overprint	Dell, D.	South Pacific Perf. Bull., April 1987, (3), 4-5	A previously unrecorded overprint on New Zealand duty stamps, F.Bros / Ltd. inside a box, is illustrated and reasons are given for the suspected identity of Friedlander Brothers Ltd of Ashburton, who also used a F.B./LD perfin. (see also 4365)
2141	Postscript on the VG perforating machine	No author	South Pacific Perf. Bull., Jan. 1995, (30), 10	Follow up to 29.2. The electric motor fitted to the machine that produced the VG perfins of Australia was manufactured in 1964 by McColl Electric Works of Melbourne (now Stone McColl Pty Ltd).
2142	Anthony Hordern & Sons Perforators	Mathews, J.	South Pacific Perf. Bull., July 1995, (32), 10	Illustrations of pairs of A.H/&S. perfins used in GB and Australia which appear to have identical perfins (A2890.01 in GB). The Australian perfin is identified with Anthony Hordern & Sons.
2143	Anthony Hordern & Sons reply "envelope"	Mathews, J.	South Pacific Perf. Bull., Jan. 1996, (34), 10-13	Follow up to 2142. An example of Anthony Horden & Sons perfin A.H/&S. on a New South Wales stamp on cover. The cover unfolds to reveal advertising panels and the return address, intended to be refolded inside out for return.
2144	The first punctured OS stamps	Small, Keith	South Pacific Perf. Bull., Jan. 1996, (34), 9-10	Some details on the arrangements in each of the Australian states for producing OS perfins for Commonwealth and State official use, following the implementation of the Post and Telegraph Act 1901, on 1 November 1902.
2145	The first OS perfin on New South Wales stamps	Andersen, David	South Pacific Perf. Bull., Oct. 1996, (35), 9-12	A listing of the New South Wales stamps known with the first type of OS perfin (S with 10 holes), with details of the machine used and early dates.
2146	Royal Insurance Co Ltd in New Zealand	Mathews, J.	South Pacific Perf. Bull., Jan. 1997, (36), 8-9	Some extracts from the reminiscences of a former employee of the Royal Insurance Co in New Zealand. He started with the company in 1925 as an office junior and remembers perforating their stamps.
2147	G/NSW perfins 1959 to 1965	Andersen, David	South Pacific Perf. Bull., Apr. 1997, (37), 5-8	A list of G/NSW perfins type C and D used on Australian stamps in 1959-65.
2148	Rare railways parcel stamp usage	Magee, B.	South Pacific Perf. Bull., July 1997, (38), 6	The author has found the first recorded Tasmanian Government Railways parcel stamp with perfin (DWM/LTD). A list of perfins on railway parcels stamps of other Australian states is given.
2149	An attractive proving item	Magee, B.	South Pacific Perf. Bull., July 1997, (38), 7-8	A 1913 Australian postcard with stamp perfinned OK is illustrated. This card gives the ident of Orme, Keigwin & Co, Sydney, Fermented Liquers and Spirits. The card has an illustration of a bottle of schnapps.
2150	Great Britain connections for Australian and New Zealand perfins	Mathews, J.	South Pacific Perf. Bull., Oct. 1997, (39), 7	Some examples of GB perfins that were either later used in Australia or New Zealand, or similar dies used there.
2151	The Postage Stamps of the Sudan – Provisional Unpaid Letter Stamps		West-End Philatelist, June 1904, 1, (4), p.57-8	Contemporary report of the replacement of the official S.G. perfins of Sudan, including a report of some perforated G.S. In error.
2152	University of New South Wales Perfins	Andersen, David	South Pacific Perf. Bull., Oct. 1997, (39), 8-9	A list of Australian issues perfinned U/NSW for the University of New South Wales, with details of the machine and dates of use. Also a suggestion that the perfin may at one time have been used by NSW state schools.
2153	Private Perfins of Queensland	Andersen, D.W.	South Pacific Perf. Bull., June 1987, (4), 4-10	An illustrated list of Queensland private perfins. Inlcudes identities and dates and places of use. (see also 4338 & 4607)
2154	Private Perfins of South Australia	No author	South Pacific Perf. Bull., June 1987, (4), 11-15	An illustrated list of South Australia private perfins. Inlcudes identities and dates and places of use. (see also 4339)
2155	South Australia OS perfins	No author	South Pacific Perf. Bull., Jan. 1998, (40), 9	Some reports of OS perfins of South Australia, taken from the March 1991 issue of "Shilling Violet".
2156	Club Perforator	No author	South Pacific Perf. Bull., April 1998, (41), 3	Details of the new perforator purchased by the Perfin Club of New Zealand and Australia from Chainstream in the UK. The perfin PC/NZA will be used on stamps of Australia and New Zealand.
2157	The Evolution of British Stamped Postcards & Letter Cards	Dagnall, H,	Published by the Author 1985	An account of the introduction of postcards in Great Britain. Includes the various punch cancellations.
2158	VG perfins used in Queensland and New South Wales	Amiet, John	South Pacific Perf. Bull., April 1998, (41), 6	Examples of Victoria Government perfins VG used in Queensland in 1991 and in New South Wales in 1988. Both covers are addressed to the same book club.
2159	VG perfins used in Queensland and New South Wales : an update	Bennett, Alan	South Pacific Perf. Bull., July 1998, (42), 3	A cover is illustrated with Australian VG perfin used in 1994, five years after they were discontinued. The use appears private. It is speculated that when many government organisations were privatised in 1992, the stamps were taken by staff.
2160	Italian Perfins – Perfin Italiani – 2009 (illustrations only)	Bertazzoli, E., Ermentini, B., Roncetti, G.	Vaccari 2009, pp.300
2161	Joseph Sloper and his family	Mathews, J.	South Pacific Perf. Bull., July 1998, (42), 4-6	Some details of Joseph Sloper's family, from birth, marriage and death notices etc.
2162	Victorian OS perforator	No author	South Pacific Perf. Bull., July 1998, (42), 8	A block of 80 Victoria "bantam" halfpenny stamps with OS perfin is illustrated. Some of the stamps have double perfins and this helps to reveal the arrangement of the perforator and the methods used to perforate these small stamps.
2163	Melbourne OS on KGV	No author	South Pacific Perf. Bull., Oct. 1998, (43), 3	An illustration of an unusual OS perfin. The Melbourne OS perfin is on a Australia KGV 1 1/2d brown large multi watermark.
2164	Introduction of the Tattersalls' perforators	Mathews, J.	South Pacific Perf. Bull., Jan. 1999, (44), 5	A Tasmanian cover from Tattersall's with a postage paid handstamp sent on 31 May 1899, before the introduction of the first A perfin of George Adams. This narrows the date for the introduction of the perforator.
2165	GB stamps perforated COFA - The Australian Military Hospital	Mathews, J.	South Pacific Perf. Bull., Jan. 1999, (44), 6-8	An example of the C/OF/A perfin postmarked Harefield 1916 is thought to have been used at Harefield Hospital, near London. During the first world war, this was a hospital for Australian troops, details of which are given in the article. See 5655.
2166	Seldom Seen	No author	South Pacific Perf. Bull., April 1999, (45), 3	A Western Australia railway parcel stamp is illustrated with two strikes of the WS/&Co used by William Sandover & Co.
2167	Overprints on Australian state stamp duty issues - Part 1	Magee, B.	South Pacific Perf. Bull., Oct. 1999, (47), 8	A listing of commercial overprints on state stamp duty issues of Australia, with identities.
2168	Perforated Postal Stationery	Bennett, Ray	South Pacific Perf. Bull., Oct. 1999, (47), 4-5	An illustration of a New South Wales 1d postal stationery wrapper with GR perfin of Government Railways. A 1d adhesive with the same perfin has been added to make up the postage.
2169	U/NSW cover	Andersen, David	South Pacific Perf. Bull., April 2000, (49), 7	An Australian aerogramme is illustrated. Posted in 1966, it has both decimal and £sd stamps perforated U/NSW of the University of New South Wales.
2170	A Questionable Irish Underprint	Birch, Brian	SEPS Bulletin Jan/Feb 1982, p. 4	Two lots of "OGILVIE & MOORE, CORK” underprints on 1881 1d lilac and 1887 halfpenny stamps, unused without gum are reported as offered for sale in auction. Their autheniticity is questioned.
2171	OS Variations	Andersen, D.W.	South Pacific Perf. Bull., July 1988, (5), 3-4	Forgeries of Australian OS perfins have existed since at least 1943. Some examples of varieties or possible forgeries are illustrated and discussed.
2172	Private Perfins of Western Australia	No author	South Pacific Perf. Bull., July 1988, (5), 6-8	An illustrated list of Western Australia private perfins. Inlcudes identities and dates and places of use.
2173	Private Perfins of Tasmania: Supplementary Information No. 1	Andersen, D.W.	South Pacific Perf. Bull., Sep. 1988, (6), 8	Follow up to 2122. Some reports of Tamanian private perfins not included in the precious listing.
2174	Private Perfins of New South Wales - Part II - Revenues	No author	South Pacific Perf. Bull., Sep. 1988, (6), 9-13	An illustrated listing, with identities were known, of perfins on New South Wales stamp duty issues.
2175	Private Perfins of New South Wales - Part I - Postal Issues	Andersen, D.	South Pacific Perf. Bull., April 1989, (7), 3-10	An illustrated listing, with identities were known, of perfins on New South Wales postage issues. (See 2174 for Part II - Revenues).
2176	New Zealand Philatelic Federation THANK/YOU perfins	No author	South Pacific Perf. Bull., July 1989, (8), 5-6	The background to the issue of New Zealand stamps with THANK/YOU perfin by the New Zealand Philatelic Federation, produced by Slopers. Includes prices for buying these from the federation (e.g. $2 for a single 1c stamp!)
2177	PHILAS Perfins	No author	South Pacific Perf. Bull., July 1989, (8), 7	A listing of the Australian issues perfinned PHILAS from 1975 to 1988. These were issued in exchange for donations on special covers.
2178	Last of the V.G. Perfins	Toop, B.	South Pacific Perf. Bull., July 1989, (8), 8	A report that the use of VG perfins by the Government of Victoria, Australia has ceased, due to the cost.
2179	Perfins on Australian Customs Duty Stamps	Andersen, D.	South Pacific Perf. Bull., Oct. 1989, (9), 3	Two perfins used on Australian Customs Duty stamps are illustrated. CTCo was sued by Caterpillar Tractor Co. on bulk mailings from GB and USA. 7E was used on mailings from the USA.
2180	Private Perfins of New South Wales Part II : Revenues Update No.1	No author	South Pacific Perf. Bull., Oct. 1989, (9), 6-8	Follow up to 2175. Many new perfins have been reported on New South Wales revenue stamps, and these are listed.
2181	S.E.R – S.E.C.D.R.	Vagont, P.	Railway Philately, 31, (3), June 1997, 122-3	An 1899 cover from the South Eastern Railway with SE/CD perfin is illustrated.
2182	Perfinned Railway Stamps	De Lacy Spencer, Roger	Railway Philately, 40, (2), March 2006, 103	DM perfins of the Daily Mail on LNER and Great Northern Railway parcel stamps are illustrated, along with a North Eastern Railway stamp perfinned DUNN
2183	‘GNR’ Perfins with ‘EXAMINED’ Cancellations	No author	Railway Philately, 40, (4), Sept. 2006, 207	A block of four Edward VII stamps with the GNR perfin of the Great Northern Railway and cancelled by a large straight line EXAMINED in purple is shown.
2184	GWR Newspaper Stamp with Perfin	No author	Railway Philately, 40, (4), Sept. 2006, 207	A Great Western Rnlwav 2d newspaper stamp perfinned JF/ & Co is illustrated.
2185	G.N.R. Letter – London to Sunderland	No author	Railway Philately, 42, (2), March 2008, 58	An 1895 railway letter with 1d lilac perfinned C.P of Clarendon Press and an unperfinned Great Northern Railway letter stamp is illustrated.
2186	Great Northern Railway Perfin	No author	Railway Philately, 42, (2), March 2008, 58	An Edward VII 2/6 stamp with large GNR perfin of the Great Northern Railway and indistinct purple cancellation (possibly the EXAMINED straight line) is illustrated.
2187	G.W.R. Perfin & Datestamp	No author	Railway Philately, 42, (4), Sept. 2008, 160	A QV small Inland Revenue penny stamp is illustrated, overprinted G.W.R. March 11th, 1874 and perfinned GWR.
2188	L.N.E.R. Hotel Receipt with L.N.E. Perfin	No author	Railway Philately, 41, (3), June 2007, 139	A 1928 receipt from the LNER Hotel, Leeds bearing a 2d stamp perfinned LN/E is shown.
2189	C.P.R. Overprint on 1d Lilac	No author	Railway Philately, 38, (2), March 2004, 52	QV 1d lilac stamp overprinted 'CP/ R' has been shown to the Editor. This stamp was postally used and has a LIVERPOOL roller parcel cancellation.
2190	The Potteries, Shrewsbury and North Wales Railway Co.	Gault, Roy	Railway Philately, 38, (2), March 2004, 56	A short history of the Potteries, Shrewsbury and North Wales Railway Co. and their perfin P/SNWR.
2191	Perfined Midland Railway Newspaper Stamp	Hewitt, Alan	Railway Philately, 38, (2), March 2004, 61	A Midland Railway newspaper stamp with perfin JF/&Co is shown.
2192	Great Northern Railway – Yorkshire Post Overprint	No author	Railway Philately, 38, (2), March 2004, 63	A Great Northern Railway newsletter stamp with an overprint of The Yorkshire Post, Leeds is illustrated.
2193	L. & Y. Newspaper Stamp with W H S & S Perfin	Molyneux-Berry, Paul	Railway Philately, 33, (4), Sept. 1999, 206	A Lancashire & Yorkshire Railway newspaper stamp with perfin WHS/&S is illustrated.
2194	Railway Newspaper Stamps with B & S Ld Perfin	De Lacy Spencer, Roger	Railway Philately, 33, (4), Sept. 1999, 207	Three perfinned railway parcel stamps are illustrated: B&S/Ld on Midland Railway and London & North Western Railway stamps, and SW/DP on Midland.
2195	The Mersey Railway – A New Discovery	Goodbody, Tony	Railway Philately, 32, (2), March 1998, 71	WHS/&S perfins are reported on Mersey Railway parcel stamps.
2196	Perfin Update	Gault, Roy	Railway Philately, 34, (1), Dec. 1999, 50
2197	Midland & Great Western Railway Parcel Stamp*	No author	Railway Philately, 34, (1), Dec. 1999, 50
2198	Welsh Railway Newspaper Stamps with Perfins	De Lacy Spencer, Roger	Railway Philately, 34, (1), Dec. 1999, 50
2199	Railway Parcel Stamps with Security Perfins	De Lacy Spencer, Roger	Railway Philately, 34, (2), March 2000, 98-9
2200	Perfin Update	Gault, Roy	Railway Philately, 34, (2), March 2000, 101
2201+	Catalogue of Identified GB Perfins - Tomkins Catalogue - 9th Ed	Gault, R.	Perfin Society, 2000
2202	“NJ” Perfin on New Jersey Stamp	Boyajian, Andrew	J. New Jersey Post. Hist. Soc., Sep 1989, 17, (4)
2203+	Curved perfins of Great Britain	Gault, R.	Perfin Society, 1997	pp 5
2204+	New Illustrated Catalogue of GB perfins	Gault, R.	Perfin Society, 1994 onwards	Comprehensive illustrated catalogue of GB perfins, with indentities, dates of use, places of use and other information.
2205+	Perfins found on the Graphite Lined Issues of Great Britian	Gault, R.	Perfin Society, 1996	pp 5
2206+	Perfins found on the 46th Interparliamentary Conference Issue	Gault, R.	Perfin Society, 1996	pp 5
2207+	The Perfined Revenue Stamps of Great Britain - Section 1 - Foreign Bill Stamps	Turnbull, Jeff	Perfin Society, 2000	pp 88
2208+	A Catalogue of GB Commercial Overprints - Part 1 - Utilities - 2nd Ed	Bonney, J.D. & Lane, D.J.	British Commercial Overprint Study Circle, 1990	Catalogue of GB commercial overprints. Not illustrated, but with precise measurements to enable identification.
2209+	Kelly's Directory - 1991	No author	Reed Information Services, 1991	Trade directory - pp 2534
2210+	Local Government in England and Wales - A Guide to the New System	No author	HMSO, 1974	pp 275 (plus "before and after" maps)
2211+	Postal Addresses and Index to Postcode Directories	No author	The Post Office, 1983	1983 - The Post Office - pp 268
2212+	Who Owns Whom - Continental Europe 1987	No author	No publisher	pp 2485
2213+	Who Owns Whom - United Kingdom and Northern Ireland 1986	No author	No publisher	pp 2534
2214	Another "Braham" Reference	Mathews, John	Perf. Soc. Bull., Apr 1999, (299), 8	In the Sloper records, the sample strike for machine no. 6961 (COOK with date) has an annotation "Braham's make". Presumably this was Sloper's making a replacement die for a Braham machine.
2215	Perfins on the British Empire Exhibition Stamps of 1924 and 1925	Nelson, J.	Perf. Soc. Bull., Apr 1999, (299), 10-11	An update to the survey of perfins on Empire Exhibition commemoratives.
2216	What makes a good provisional identity?	Harp, Maurice	Perf. Soc. Bull., Apr 1999, (299), 12-13	Suggested rules for establishing a provisional identity for a perfin.
2217	Date Perforations	Bergman, L.	Perf. Soc. Bull., Apr 1999, (299), 16-17	A date perforation cancelling an Admiralty Court stamp is illustrated. Dated 6 Mar 1865, it is the earliest known date perforation
2218	Basic Council Perfins List	Steere, S.	Perf. Soc. Bull., Apr 1999, (299), 18-19	Follow-up to 4936. An illustrated last day cover for Swindon Borough Council with their SB/C perfin and a special postmark is illustrated, together with their successor Thamesdown Borough Council's perfin T/BC perfin with special slogan postmark for the first day of the new council on 1 April 1974.
2219	Early Adverts for Perforators	Bavin, M.	Perf. Soc. Bull., Apr 1999, (299), 18	It is thought that Frank Baker may have taken over the perforating business of S.A. Daniell at St. Paul's Square, Birmingham. Baker also had premises at 91 Cannon St., E.C. It is suggested that the perfin S.A.D (S0180.01) may be for this firm.
2220	Cumbrian Perfins	Whitehead, E.	Perf. Soc. Bull., Apr 1999, (299), 22-23	Follow-up to 290.13 on Cumbrian perfins.
2221	Egerton Burnette Ltd., Wellington, Somerset	Bavin, M.	Perf. Soc. Bull., Apr 1999, (299), 24	Egerton Burnett, users of perfin EB (E0260.05) were mail order sellers of clothing.
2222	The Railway Strike Airmail Flights 1919	Marriner, John	Perf. Soc. Bull., Apr 1999, (299), 24-26	Between 27 September and 6 October 1919 special internal air mail services were run for 2/- per oz plus ordinary postage for urgent mail during a railway strike. An example from BP using their BP/CoLd (B5730.04) perfin is illustrated.
2223	More from the PO archives	Hill, Dave	Perf. Soc. Bull., Apr 1999, (299), 26-27	Post Office Archive file Post 30 file 652 has details on "Purchase of Stamps from the Public". The purchase of stamps from the public was banned in 1850, but in 1855 the prohibition was withdrawn in London and then gradually extended to the whole country.
2224	Patterns common to GB & Italian Stamps	Bertazolli, Enrico	Perf. Soc. Bull., Apr 1999, (299), 28	The perfin BCI of Banca Commerciale Italiana is known used in both Italy and GB.
2225	Perfins and The Post Office Savings Bank	Hill, Dave	Perf. Soc. Bull., Jun 1999, (300), 11	A partly filled Post Office Savings Bank "Stamp Deposit Slip for Children and others saving pence" is illustrated. The printed wording includes "No stamp which has been perforated, defaced or damaged will be accepted", indicating that perfins could not be cashed in this way.
2226	Board of Trade Perfins	Nelson, J.	Perf. Soc. Bull., Jun 1999, (300), 15-17	Illustrations of a further 14 suspect variations on the Board of Trade perfin, taking the total to 30. It is suggested that Waterlows might have legitimately produced some of the perfins classed as forgeries.
2227	More about those (crown)/B.T Perfins	Llewellyn-Edwards, Dr. Tony	Perf. Soc. Bull., Jun 1999, (300), 18-19	A vertical strip of 10 Edward VII stamps (not illustrated) with the Die II Board of Trade perfin shows exact alignment, suggesting a large multiheaded die. It is now thought that Dies I and II were both multiheaded perforators. The type 14 fake seems to be made from a reversed die, so although perforated from the front it shows as reversed when viewed face up.
2228	Update to Modern Perfins	Ransom, Derek	Perf. Soc. Bull., Jun 1999, (300), 20-21	A list of alterations additions to previous lists of modern GB perfins.
2229	The Great Western Railway Mystery	Steere, S.	Perf. Soc. Bull., Jun 1999, (300), 21-23	An attempt at reconstructing the multiheaded die GWR of the Great Western Railway. The die appears to have at least four rows.
2230	Postmark proof of perfin user	Smith, Rosemary	Perf. Soc. Bull., Jun 1999, (300), 24-25	Illustrations of the private postmarks and perfins used by Smith, Elder & Co., Henry S. King & Co., William Dawson & Sons and W.H. Smith & Sons.
2231	Thorneloe & Clarkson, Ltd.	Smith, Rosemary	Perf. Soc. Bull., Jun 1999, (300), 26-27	The history of bespoke tailors Thorneloe & Clarkson, who used the trademark "Beau Brummel" and used perfin T&C/L (T0950.01).
2232	A Perfin Related Item?	Hill, Dave	Perf. Soc. Bull., Jun 1999, (300), 27	In the George V period "rolls of stamps above 2d value were made up by outside contractors, the main one being Allchin subpostmaster of Hampstead. He requisitioned stamps worth 8,000 to 10,000 pounds a week with a usual subpostoffice of about 500 pounds". Sloper bought out Allchin's perforating business in the early 1930s but it is not known if Sloper ever made up stamp rolls.
2233	46th Inter-Parliamentry Union Conference Stamp	Mathews, John	Perf. Soc. Bull., Aug 1999, (301), 4	Perfin C0530.01 - C.B./B of Cadbury's is reported on the 46th Inter-Parliamentary Conference issue.
2234	Members' Comments on Previous Articles: Early Advert for Perforators	Harp, Maurice	Perf. Soc. Bull., Aug 1999, (301), 5-7	Advertisements for S. A. Daniell from the 1873 and 1877 Kelly's directories are illustrated.
2235	Bovis Ltd. and W H Gollings & Associates Ltd.	Muggleton, D.	Perf. Soc. Bull., Aug 1999, (301), 9-12	W. H. Gollings & Associates Ltd., Advertising Agents, were associated with construction firm Bovis. They used similar perfins: Des 0010.02 and Des 0260.01. With information from Sloper ledgers.
2236	WHS Perfins and Postmarks	Llewellyn-Edwards, Dr. Tony	Perf. Soc. Bull., Aug 1999, (301), 14	A 1938 wrapper (without perfin) is illustrated, showing use of a later type of WH Smith precancel postmark.
2237	Postmark proof of perfin user	Smith, Rosemary	Perf. Soc. Bull., Aug 1999, (301), 16-17	A list of known stamp issues with perfin tied by private cancellations.
2238	KE7 Experimental Coils on the Poko Machine	Pusterla, Terry	Perf. Soc. Bull., Aug 1999, (301), 18-19	Examples of early stamps from experimental coils formed by sheet stamps joined with tape and perfinned HS/L by a POKO machine are illustrated.
2239	SBPA perfins	Hill, Dave	Perf. Soc. Bull., Aug 1999, (301), 19-21	There are 5 perfins with the letters SBPA which apparently belong to the Society of Produce Buyers Association. One is known used by R & W Paul, three others by Gillman & Spencer. It is suggested that the Scientific Poultry Breeders' Association may be the true name of the organisation.
2240	Underprints & Perfins	Pheby, L. W.	Perf. Soc. Bull., Aug 1999, (301), 22-23	The author worked for Copestake Crampton & Co. in 1940 as an office boy and describes using an affixing machine to put perfinned stamps onto envelopes.
2241	Perfin Society Auctions	Hill, Dave	Perf. Soc. Bull., Oct 1999, (302), 2-3	A 12/- Building & Civil Engineering Holiday Scheme stamp perfinned SA/McA sold in auction for #1.10. In the Sloper ledger this is listed as a single die which Slopers used to perforate stamps for Sir A. MacAlpine & Co. for postage stamps. However this perfin is not recorded on postage stamps.
2242	Members' Comments on Previous Articles: Postmark Proof of User	Skinner, H. & Smolnicki, Richard	Perf. Soc. Bull., Oct 1999, (302), 5	Additions to the list of stamps known perfinned and with private cancellation.
2243	Lithuanian perfin	Smith, Rosemary	Perf. Soc. Bull., Oct 1999, (302), 6	Three Lithuanian stamps are illustrated, all perfinned UBC/L. See 2253.
2244	WHS Perfins and Postmarks - Another Angle	Collins, Dennis F.	Perf. Soc. Bull., Oct 1999, (302), 7	Examples of GB stamps perfinned WHS and posted in Field or Army Post Offices in 1927 are illustrated. The offices concerned were in Shanghai, China.
2245	L. & Y. Newspaper Stamp with WHS/&S Perfin	Molyneux-Berry, Paul	Perf. Soc. Bull., Oct 1999, (302), 8-9	Taken from "Railway Philately", 33, (4), Sep. 1999. Perfin WHS/&S (W3890.01) is not identified but is known with Liverpool postmarks. An example on a Lancashire & Yorkshire Railway newspaper stamp is shown.
2246	Perfin PB	Steere, S.	Perf. Soc. Bull., Oct 1999, (302), 10	In the Sloper records, PB (P0410.01M) is shown as being used by the Petroleum Board Ltd., Esso House, Milton Hill, Abingdon. It is unclear how this perfin can have official status.
2247	British Petroleum	Smith, Rosemary	Perf. Soc. Bull., Oct 1999, (302), 11-12	A brief history of British Petroleum and their perfins BP/CoLd and SM/BP.
2248	Army & Navy Co-operative Society Limited	Smith, Rosemary	Perf. Soc. Bull., Oct 1999, (302), 14-17	The history of the Army & Navy Co-operative Society. Illustrated with a block of 12 showing both perfins A4510.01a and .01b as part of a 2x1 die. See 2257 and 2270.
2249	Edward Hulton & Co.	Hill, Dave	Perf. Soc. Bull., Oct 1999, (302), 20	A birthday postcard from "The Oojah Sketch", the children's section of the Daily Sketch newspaper is illustrated. It bears a perfin EH/&Co/Ltd (E1960.02) of the proprietors Edward Hulton & Co. Some historical details of the firm are given.
2250	Update to Modern Perfins	Ransom, Derek	Perf. Soc. Bull., Oct 1999, (302), 22	A list of additions and corrections to the list of GB perfins in current use.
2251	QEII Commemoratives without perfin	Smith, Rosemary	Perf. Soc. Bull., Oct 1999, (302), 22-24	A list of GB commemorative issues between 1961 and 1975 that are not known perfinned. See 2254.
2252	G.B. Perfin Catalogues	Gault, Roy	Perf. Soc. Bull., Dec 1999, (303), 8-9	A comparison, letter by letter, of the number of dies shown in the 1959 Van Lint, 1975 Tilles, 1990 Edwards and New Illustrated catalogues.
2253	Members' Comments on Previous Articles: Lithuanian Perfin	Various authors	Perf. Soc. Bull., Dec 1999, (303), 11-12	Further information on the Lithuanian perfin UBC/L shown in 2243. The user is United Baltic Corporation.
2254	QEII Commemoratives without perfin	Walter, Alastair	Perf. Soc. Bull., Dec 1999, (303), 13-15	Seven commemorative stamps are newly reported perfinned. A list of those still not known for 1976 to 1984 is illustrated.
2255	Great Western Railway Perforator	Scott, David	Perf. Soc. Bull., Dec 1999, (303), 17	A partly broken 6x1 mutliheaded GWR die (G5610.06) is in the hands of the author, having been retrieved before Slopers closed. An impression is illustrated.
2256	J. N. Masters Ltd.	Hill, Dave	Perf. Soc. Bull., Dec 1999, (303), 18	Part of an illustrated envelope is shown. Sent by J.N. Masters Ltd., "Veracity" Watchmakers of Rye with an Edward VII perfin JNM/Ld perfin, it shows the "Telegraphist's Watch" which shows telegraphic time codes on the dial. Such codes appeared on some postmarks from 1893.
2257	Army & Navy Co-operative Society Ltd - Part 2	Smith, Rosemary	Perf. Soc. Bull., Dec 1999, (303), 19-21	See 2248 for the first part. More on the Army & Navy Co-operative Society and their AUX and AN perfins. See 2270.
2258	Railway Newspaper Stamps with B&S/Ld perfin	Lacy-Spencer, Roger de	Perf. Soc. Bull., Dec 1999, (303), 22-23	Parcel stamps from the London & North Western and Midland Railways with perfin B&S/Ld are shown. This perfin B6730.01 is identified with Bemrose & Sons, Derby. Also an unrecorded perfin SW/DP on a Midland Railway stamp.
2259	Council Perfins Research: Dies B1110.03a and B1110.03A	Steere, S.	Perf. Soc. Bull., Dec 1999, (303), 24	The identities for the very similar BC dies B1110.03a and .03A seem to have become muddled over the years. Here a list of definite council users for each is given (some councils using both dies).
2260	Members' Comments on Previous Articles: Postmark Proof of User	Mathews, John	Perf. Soc. Bull., Feb 2000, (304), 9	A 6d overprint on 6d (SG 162) with D.S. perfin and DS/F private precancel is illustrated.
2261	More discoveries on early GWR dies	Gault, Roy	Perf. Soc. Bull., Feb 2000, (304), 10-11	Three different types of the early GWR perfin are identified: G4350.01, .01a and .02. An example of .01a on an Inland Revenue stamp cancelled in March 1869 is shown.
2262	C. Czarnikow Ltd., London	Hill, Dave	Perf. Soc. Bull., Feb 2000, (304), 12	The story of Julius Caesar Czarnikow, who was a London broker who used the two different CZAR perfins on GB stamps.
2263	Perforators of Postage Stamps	Chambers, Dilwyn	Perf. Soc. Bull., Feb 2000, (304), 13	Some information on Frank Braham, who offered a perforating service. His various addresses from London street directories between 1882 and 1901 are given.
2264	New Zealand Red Cross Postcards	Pawson, Barry	Perf. Soc. Bull., Feb 2000, (304), 14-15	Two World War II era postcards acknowledging receipt of parcels for POWs are illustrated. Sent by the New Zealand Prisoner of War Packing Centre in London, they both bear NZ perfins (N3760.07 and N3760.01a).
2265	Early Adverts for Perforators	Fortey, Graham	Perf. Soc. Bull., Feb 2000, (304), 15-17	An undated page from a trade directory is illustrated. Both sides have advert for Francis A Hancock, offering perforators and commercial overprints.
2266	Welsh Railway Newspaper Stamps with Perfin	Lacy-Spencer, Roger de	Perf. Soc. Bull., Feb 2000, (304), 18-19	Two Welsh railway newspaper parcel stamps are illustrated: LVS on a Neath & Brecon Railway issue, and MAIL on a stamp from the Pembroke & Tenby Railway. See 2277.
2267	Perfined Railway Newspaper/Parcel Stamps Update	Lacy-Spencer, Roger de	Perf. Soc. Bull., Feb 2000, (304), 19-20	Further information on the perfins B&S/Ld, SW/DP, WHS/&S, MAIL, LVS and M/GWR on railway parcel stamps.
2268	QEII Commemoratives without perfin	Walter, Alastair	Perf. Soc. Bull., Feb 2000, (304), 20	Six previously unrecorded value of commemoratives with perfin are noted.
2269	Perforated Insurance Stamps	Ellis, Gaille	Perf. Soc. Bull., Feb 2000, (304), 21	A block of 9 #3.75 National Insurance stamps is illustrated. Each is perfinned with an abstract pattern.
2270	Army & Navy Co-operative Society Ltd - Part 3	Smith, Rosemary	Perf. Soc. Bull., Feb 2000, (304), 22-24	Third part of the article on the perfins of the Army & Navy Co-operative Society looks at its C/AN/S perfins. See 2278.
2271	The Irish Agricultural Wholesale Soc. Ltd.	Murphy, Paddy	Perf. Soc. Bull., Apr 2000, (305), 5-6	The history of the Irish Agricultural Wholesale Society, founded in Dublin in 1897 and who used perfin IWS (I2710.05) on British stamps.
2272	A New Masonic Perfin	Dunderdale, Steve	Perf. Soc. Bull., Apr 2000, (305), 6-7	The newly discovered LF perfin on GB stamps was produced in 1984 for use on commemorative perfins for the centenary of the masonic Lodge La France No. 2060.
2273	Board of Trade Perfins	Louis, Karl	Perf. Soc. Bull., Apr 2000, (305), 12-15	Translation from Lochungen Rundbrief 118, December 1999. 6 covers with Board of Trade perfins are described and some observations made. See 2313 for John Nelson's response.
2274	Modern Faked Perfins	Llewellyn-Edwards, Dr. Tony	Perf. Soc. Bull., Apr 2000, (305), 16	The source of fake perfins has been identified in Romania. These fakes are pin-pricks rather than true perforations. Three examples are illustrated.
2275	Railway Parcel Stamps with security perfins	Lacy-Spencer, Roger de	Perf. Soc. Bull., Apr 2000, (305), 18-20	Reprinted from Railway Philately, 34, (2), March 2000. Examples of perfins F.P/&N (Great Eastern Rly.), DUNN and R&Co/Ltd (North Eastern Rly.) and WG (Midland Railway) on railway parcel or newspaper stamps are illustrated. See 2276.
2276	Railway Perfin Update	Gault, Roy	Perf. Soc. Bull., Apr 2000, (305), 21-22	Comments on the perfins shown on railway stamps in 2275.
2277	Members' comments on Previous Railway Stamps with perfins	Harp, Maurice	Perf. Soc. Bull., Apr 2000, (305), 22	Follow-up to 2266 on perfins MAIL and LVS on railway stamps. LVS is reported on postage stamps.
2278	Members' comments on Previous Articles	Various authors	Perf. Soc. Bull., Apr 2000, (305), 23	Reports of new values with perfins of the Army & Navy Co-operative Society.
2279	More Co-operative Societies which used perfins in the early days	Harp, Maurice	Perf. Soc. Bull., Apr 2000, (305), 24-28	The history and perfins of the New Civil Service Co-operation Ltd., Ladies Dress Association, Civil Service Co-operative Society Ltd., Civil Service Supply Association Ltds, and the Junior Army & Navy Club.
2280	Confirmed Sloper Dies - 1868-1872	Harp, Maurice	Perf. Soc. Bull., Apr 2000, (305), 29-32	A list of 80 dies that are confirmed to have been used or made by Slopers in the period 1868 to 1872.
2281	The Perfined Revenue Stamps of Great Britain - New Additions	Turnbull, Jeff	Perf. Soc. Bull., Jun 2000, (306), 5	New additions to the catalogue of perfins on Foreign Bill revenues.
2282	History of firms Using Perfins: J. Lyons & Co. Ltd.	Hill, Dave	Perf. Soc. Bull., Jun 2000, (306), 10-11	The perfins of caterers J. Lyons & Co, founded in 1886.
2283	Des. 0556.01 Diamond	Smith, Rosemary	Perf. Soc. Bull., Jun 2000, (306), 12	Both G. Ross & Co., 80 Cornhill and H. Halford & Co. of Change Alley, Lombard St. are identified as users of the perfin dot inside diamond (Des 0566.01). The link between the two is unclear. See 2288.
2284	More Queries From Sloper's First Ledger	Hill, Dave	Perf. Soc. Bull., Jun 2000, (306), 15	Perfins and overprints in the Sloper ledger exist for "Food Control" for Dagenham, Stepney, Chichester and Battersea, but it is not known what Food Controls were.
2285	Thos Cook Perfins - Part 1	Scheper, Dick; Llewellyn-Edwards, Tam	Perf. Soc. Bull., Jun 2000, (306), 16-20	A brief history of travel agents Thomas Cook, founded in 1841, and their perfins on GB stamps. 15 dies are illustrated. See 2293 for part 2.
2286	Kiosk Perfins	Hill, Dave	Perf. Soc. Bull., Aug 2000, (307), 6-7	Some kiosks at Dutch railway stations sold stamps to the public which were perfinned to ensure that they could not be cashed at post offices. Examples of various perfins K, S and S.B. are illustrated.
2287	King GV Silver Jubilee Stamps with Perfin	Greenhill, G.E.	Perf. Soc. Bull., Aug 2000, (307), 8-9	Additions to the booklet on George V Silver Jubilee stamps.
2288	Des. 0556.01 Diamond	Mathews, John; Harp, Maurice	Perf. Soc. Bull., Aug 2000, (307), 9-10	More details on the premises of the two users of the perfin Des. 0556.01 (see 2283). The firms were very close together.
2289	Additions to Modern Perfins	Ransom, Derek	Perf. Soc. Bull., Aug 2000, (307), 11	Three additions to the list of perfins in current use. Also, an example of CB/B with two pins missing, possibly a deliberate alteration to make the second B into an H.
2290	Manchester Mystery	Gault, Roy	Perf. Soc. Bull., Aug 2000, (307), 12	The perfin J.L/&Co./Ss. (J4960.01) seems to have been made by adding letters to J.L/&Co. (J4940.04) in around 1895, only for the extra letters to be removed again around 1906. The user is unknown, but all examples are used in Manchester. See 2296 and 2314.
2291	Modified Die - Ipswich User	Gault, Roy	Perf. Soc. Bull., Aug 2000, (307), 13	Unidentified Ipswich perfin P/&P (P3640.01) seems to have been made from PS/&P (P4430.01) by deliberate pin removal in 1905. Strangely, one perfin of the removed S re-appeared in about 1925!
2292	Board of Trade and Similar Perfins	Nelson, J.	Perf. Soc. Bull., Aug 2000, (307), 14-15	An article from Gibbons Stamp Monthly, November 1942 is reprinted, offering an insight into attitudes to official perfins at that time.
2293	Thos Cook Perfins - Part 2	Scheper, Dick; Llewellyn-Edwards, Tam	Perf. Soc. Bull., Aug 2000, (307), 16-24	A review of the various perfins of Thomas Cook used across the world. See 2299.
2294	C/AN/S Perfin	Gault, Roy	Perf. Soc. Bull., Oct 2000, (308), 7-9	The various C/AN/S perfins on GB stamps are grouped into three multi-headed dies, with details of dates of issue and known issues.
2295	The demise of Sloper's fancy dies	Gault, Roy	Perf. Soc. Bull., Oct 2000, (308), 10-12	A look at some fancy dies (mostly designs) that ceased to be used in the 1940s, and the more prosaic dies that replaced them.
2296	Members' Comments on Previous Articles: Manchester Mystery	Nelson, J.	Perf. Soc. Bull., Oct 2000, (308), 13	Follow-up to 2290. It is seems likely that the Ss. part of the die J.L/&Co./Ss. (J4960.01) stands for successors. A firm called Julius Liepmann & Co's Successors were merchants in Chepstow St., Manchester. See 2314.
2297	Kodak	Hill, Dave	Perf. Soc. Bull., Oct 2000, (308), 14-15	A brief history of Kodak and their various K and KLD perfins on GB stamps.
2298	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Oct 2000, (308), 16-17	Additions to the Foreign Bills catalogue.
2299	Thomas Cook Perfins	Bergman, L.	Perf. Soc. Bull., Oct 2000, (308), 18-19	Follow-up to 2293 on Thomas Cook perfins. Non-postal Cook perfins from K.U.T. (Nairobi) and Germany are illustrated. See 2303.
2300	The Sheffield Perfin - V.S.	Smith, Rosemary	Perf. Soc. Bull., Oct 2000, (308), 20-21	An 1898 proving cover for Sheffield perfin V.S. (V1570.01) is reported. The identity is Vickers Sons & Maxim Ltd. Some details of the company, who made armaments, are given.
2301	Lundy stamps perfined with the Society Perfin	Smith, Rosemary	Perf. Soc. Bull., Oct 2000, (308), 22-23	A 1984 example of a Lundy local stamp used on postcard with the Perfin Society's PS monogram perfin is illustrated. It sold on Ebay for US$31. See 2316.
2302	Rare Irish "Limited Pair"	Gault, Roy	Perf. Soc. Bull., Oct 2000, (308), 24	Two very similar perfins used in Northern Ireland are illustrated; LK&L/B (L3380.01) and LK&L/Ld. (L3390.01). The latter seems to have been made by modification of the former, and is reported used on cover with the identity of Leahy, Kelly & Leahy, Ltd., The Castle Tobacco Warehouse, Belfast.
2303	Thomas Cook Perfins	Hutchison, Colin Clark	Perf. Soc. Bull., Dec 2000, (309), 8-9	A Thomas Cook baggage insurance certificate is illustrated. It is perforated with two perforations, one of which ties a New South Wales stamp duty stamp.
2304	Britain's largest multiheaded die	Gault, Roy	Perf. Soc. Bull., Dec 2000, (309), 13	What is thought to be the largest multiheaded die used in Great Britain was made in 1926 by Slopers for British Thompson-Houston and perforated B/TH in 60 times at a stroke (12x5). In 1960, this was replaced by a similar A/EI die for Associated Electrical Industries following their takeover of the company.
2305	More on Joseph Sloper	Smith, Rosemary	Perf. Soc. Bull., Dec 2000, (309), 15-25	Based on articles in "Cross Post", a good introduction to the beginnings of perfins, inlcudes an illustration of an early Sloper circular.
2306	Sloper and GWR	Bament, Michael	Perf. Soc. Bull., Dec 2000, (309), 26	The text of an 1869 letter from the Great Western Railway to the Midland Railway, informing them that their stamp were perfinned by Slopers.
2307	The Perfinned Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Dec 2000, (309), 27-28	Additions to the Foreign Bills catalogue.
2308	History of firms using perfins - Cadbury's	Smith, Rosemary	Perf. Soc. Bull., Feb 2001, (310), 4-5	A short history of confectioners Cadbury and their perfins, including C.B/B modified to C.S/B after the merger with Schweppes. See 2335.
2309	Perfins WCR of Watney Combe and Reid	Hill, Dave	Perf. Soc. Bull., Feb 2001, (310), 6-7	An analysis of the 12 different WCR perfins used by Watney Combe & Reid between 1910 and 1972, five of which were used on coil stamps.
2310	A Morocco Connection - "S" Stands for …?	Stotter, David	Perf. Soc. Bull., Feb 2001, (310), 8-9	A 1944 commercial cover from Tangier to London is illustrated. Ten halfpenny stamps overprinted Tangier are accompanied by an unoverprinted 4d stamp which is perfinned S. The sender is Messod A. Benzimra, commercial agent. See 2322.
2311	Everetts and Wattses	Hill, Dave	Perf. Soc. Bull., Feb 2001, (310), 10-11	A look at two 20th century users of underprints. Booksellers W. & H. Everett & Son of London used underprints from 1903 to 1915, before switching to a large E perfin (which has not been identified) and then to E0010.01M. S. & J. Watts & Co. of Manchester used underprints until 1937, although they also had a POKO perfin from 1932 to 1935. They also used a perfin before 1903, but this has not been identified. See 2323 and 2325.
2312	The Perfinned Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Feb 2001, (310), 12-13	An update to the Foreign Bills catalogue.
2313	Board of Trade Perfins	Nelson, J.	Perf. Soc. Bull., Feb 2001, (310), 14-19	A look at early references to the Board of Trade perfins in philatelic literature leading up to Captain Jackson's categorising of forgeries in 1962 (see 0813) in response to 2273. The author argues that in fact there are no forgeries, only various different genuine perfins.
2314	Members' Comments on Previous Articles - Manchester Mystery	Smith, Rosemary	Perf. Soc. Bull., Feb 2001, (310), 20-21	Follow up to 2290 and 2296. The suspected users of J.L/&Co./Ss. (J4960.01), Julius Liepmann & Co's Successors, sent many of their goods to Egypt, which was the country from which the hoard of perfinned stamps came.
2315	W6385.01 W&R/Ld	Grier, John	Perf. Soc. Bull., Feb 2001, (310), 21-22	An attempt to explain the confusion between Victoria Works and Willans Works in Rugby. It seems that this works started out as Victoria Works of Willans and Robinson Ltd. before being renamed when the frim was taken over by English Electric.
2316	Lundy stamps with our Society Perfin	Brandt, John	Perf. Soc. Bull., Feb 2001, (310), 23-25	Details of the stamps of Lundy and Les Minquiers perfinned with Perfin Society's PS monogram.
2317	Egyptian Perfins Catalogue	Varjabedian, V.	Perf. Soc. Bull., Apr 2001, (311), 12	The third update to the catalogue of Egyptian perfins (library number 2009).
2318	Argentine - Inutilizado carpet perforation	Wood, Terry	Perf. Soc. Bull., Apr 2001, (311), 13-15	The carpet die INUTLIZADO on Argentinian stamps is a cancellation for stamps used for bulk payment of newspapers, telegraphs and payment for post office boxes. See 2334.
2319	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Apr 2001, (311), 16-17	An update to the catalogue of Foreign Bills perfinned.
2320	The Times Newspaper	Smith, Rosemary	Perf. Soc. Bull., Apr 2001, (311), 18-19	A short history of the Times from 1851, together with a brief discussion of their TT perfins.
2321	Seen in Auction - 1870 Newspaper Cutting	Smith, Rosemary	Perf. Soc. Bull., Apr 2001, (311), 20-21	A letter from Joseph Sloper printed in The Times on 14 October 1870 is reproduced, extolling the virtues of his perforating system, in response to a report in that newspaper on 5 October about a trial of someone caught stealing stamps.
2322	Members' Comments on Previous Articles - A Morocco Connection	Turnbull, Jeff	Perf. Soc. Bull., Apr 2001, (311), 22	Follow-up to 2310. It is revealed that the perfinned British stamp used in Tangier shows a very faint British postmark under the Tangier cancellation, indicating that the stamp was re-used.
2323	Members' Comments on Previous Articles - Everetts & Wattses	Brandt, John	Perf. Soc. Bull., Apr 2001, (311), 22	Follow-up to 2311. The perfins S4110.01 and .01a, both candidates for the early Wattses perfin c.1902 may be the same machine before and after repair, based on the evidence of an example with several missing pins where the remaining pins match both dies.
2324	An American Perforated Coil Label	Mathews, John	Perf. Soc. Bull., Apr 2001, (311), 24	A label printed with an advertisement for Fleischmann's Yeast from Standard Brands Inc., New York is illustrated. It is perfinned L.F
2325	Members' Comments on Previous Articles - Everetts & Wattses	Harp, Maurice	Perf. Soc. Bull., Jun 2001, (312), 6-7	Follow up to 2311. Illustration of a block of the Everett underprint WH/E&S/Ltd underprint and an advert for the device to produce it, with quotes from The Times and The Newsagent and Booksellers Review.
2326	Union-Castle Mail Steamship Co. Ltd.	Smith, Rosemary	Perf. Soc. Bull., Jun 2001, (312), 8-9	The UN/Co perfin (U1420.01) of Union-Castle shipping line.
2327	Board of Trade Article	No author	Perf. Soc. Bull., Jun 2001, (312), 9-12	An article reprinted from the September 1980 edition of the Philatelic Journal of Great Britain, illustrating a letter sent from London to Genoa on 26 April 1871 with a penny red wit Board of Trade perfin paying the late fee, the postage being paid in cash. The cover has a cachet of Ippolito Leonino & Co., Merchants, 3 Copthall Court, London EC. In addition, John Nelson reprts two covers from the British Linen Bank bearin Board of Trade perfins. The connection between these firms and the Board of Trade is unknown.
2328	Spillers	Hill, Dave	Perf. Soc. Bull., Jun 2001, (312), 13-15	A brief history of Spiller & Co., Cardiff, millers and animal feed producers and their various perfins.
2329	For whom the bell tolls	Mathews, John	Perf. Soc. Bull., Jun 2001, (312), 16-18	A look at the very similar Bell design perfins from GB and New South Wales. A possible user is David Storer & Sons of Poplar, who has a Bell trademark registered in the UK and Australia.
2330	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Jun 2001, (312), 19	Four new dies for the Foreign Bills catalogue.
2331	BP design perfin on 1957 Scout stamps	Smith, Rosemary	Perf. Soc. Bull., Jun 2001, (312), 20-21	A set of 1957 Jamboree stamps with the BP and scroll perfins on cover is illustrated. The envelope is also perforated with the design used on the 2 1/2d value and addressed to W. O. Hawkins, who was Company Secretary at Slopers.
2332	Perfin FTP (Diagonal)	Hill, Dave	Perf. Soc. Bull., Jun 2001, (312), 22	F Tennant Pain, publishers of the FTP Portfolio, used a diagonal perfin FTP, but also seem to have used perfins TT of The Times and the full name GRAPHIC, used by the Graphic newspaper.
2333	Perfins on KGV Silver jubilee stamps	Greenhill, G.E.	Perf. Soc. Bull., Jun 2001, (312), 23	Updates to the Silver Jubilees catalogue.
2334	Argentine - Inutilizado carpet perfin	Dedecker, R.	Perf. Soc. Bull., Aug 2001, (313), 4	Follow-up to 2318 on the Argentinian perfin INUTILZADO. It is pointed out that, contrary to the assertion in the original article, this cancellation perfin can be found on low values down to half centavo. The two different DO parts of the die are also illustrated.
2335	Members' Comments on Previous Articles - Cadbury Perfins	Steere, S; Walter, A.	Perf. Soc. Bull., Aug 2001, (313), 5	Follow-up to 2308 on the modified Cadbury's perfins. The original C0530.01 is reported used 14 Apr 1971 and the modified die C6835.01 used 14 Apr 1973. The merger between Cadbury and Schweppes took place in 1969.
2336	Two strikes - Different Dies, Same Stamp	Gault, Roy	Perf. Soc. Bull., Aug 2001, (313), 10-11	Three examples of stamps with two different perfins are illustrated, including the P perfin P0010.26 used by manufacturing chemists Parke Davis & Co. combined with the POKO perfin P (P0010.12). Also JL/&Co of Lyons together with ESA of the Educational Supply Association, both Sloper 12x1 dies, possibly indicating an error by Slopers.
2337	Egyptian Perfins	Varjabedian, V.	Perf. Soc. Bull., Aug 2001, (313), 15-17	Some examples of varieties of Egyptian perfins, and a price guide.
2338	Perfins on KGV Silver jubilee stamps	Greenhill, G.E.	Perf. Soc. Bull., Aug 2001, (313), 18-19	Updates to the Silver Jubilees catalogue.
2339	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Aug 2001, (313), 20	Updates to the Foreign Bills catalogue.
2340	Sloper 5 Reigns Plaque	Smith, Rosemary	Perf. Soc. Bull., Aug 2001, (313), 21-24	A table of the different perfins used on Sloper's 1939 "Through Five Reigns" plaque. Includes the die RTF, not known postally used, which turns out to be one of three dies used by Governing Directors R.T. and M.M. Firminger. The other two were MMF and M.M.F.
2341	Unusual Underprints	Rooke, Peter	Perf. Soc. Bull., Aug 2001, (313), 24	A halfpenny stamp postmarked Glasgow 1 Aug 1892 is shown. It has a handstamped underprint "UNITED / BAKERS / BREAD". See 2368 and 2388.
2342	Royal Doulton	Smith, Rosemary	Perf. Soc. Bull., Aug 2001, (313), 26-27	The history of Royal Doulton and their perfins D and D/&Co.
2343	Sloper advert	Chambers, Dilwyn	Perf. Soc. Bull., Aug 2001, (313), 28	An advert for Sloper's perforating machines in the 1887 "Railway Diary and Offical's Directory" is illustrated.
2344	Double strike line engraved perfin	Harp, Maurice	Perf. Soc. Bull., Oct 2001, (314), 7-8	A penny red plate 201 with perfins GB/&Co (G0480.01) of George Boor & Co and P.D/&Co. (P1585.01) of Parke Davis & Co. is illustrated. Both firms were in the chemists trade.
2345	Boddingtons of Manchester	Donaldson, Andy	Perf. Soc. Bull., Oct 2001, (314), 10-12	A history of brewers Boddingtons, suspected userof the B in barrel perfin.
2346	Members Queries	Fairweather, Charles	Perf. Soc. Bull., Oct 2001, (314), 13	The large R perfin R0010.26 is known used beteen 1975 and 1986. The user is unknown, but there are suspicions about its validity. See 2355.
2347	Which Borough Council?	Smith, Rosemary	Perf. Soc. Bull., Oct 2001, (314), 13	The arms of an unknown council are illustrated, taken from the flap of an envelope bearing a HBC perfin (H0460.01). See 2354.
2348	A rival for Sloper	Burrows, Mike J.	Perf. Soc. Bull., Oct 2001, (314), 15-17	Reprint from The Perfins Bulletin, October 1977. An example of an 1880s advertising circular from Frank Braham is shown, displaying the royal coat of arms and headed "Post Office, Tabernacle Street, EC". The GPO received a complaint about this in 1886 from a firm of solicitors, leading to a clamp down. The circular states that "for users of small quantities any single initial can be perforated on stamps of the value of one pound while waiting at the office", indicating that single letter dies could have many users. See 2353 and 2382.
2349	Yugoslav/Hungary item	Barling, Geoff	Perf. Soc. Bull., Oct 2001, (314), 18-20	An 1898 example of Yugoslav perfin M.F. on a Hungarian stamp is shown, and a 1932 cover from Jugoslavia Banka, Zagreb, with perfins.
2350	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Oct 2001, (314), 21	Updates to the Foreign Bills catalogue.
2351	Perfins on the British Empire Exhibition Stamps of 1924 and 1925	Nelson, J.	Perf. Soc. Bull., Oct 2001, (314), 22-23	New dies and additional stamps for the catalogue of perfins on the 1924/5 exhibition issues.
2352	Falkland Islands Perfin	Turnbull, Jeff	Perf. Soc. Bull., Oct 2001, (314), 24	A Falkland Islands Edward VII 1d stamp is shown, with the perfin CW of Charles William, who ran a retail store in Port Stanley, East Falkland.
2353	Members' Comments on Previous Articles - Frank Braham Advert	West, Vincent	Perf. Soc. Bull., Dec 2001, (315), 8	Follow-up to 2348 on Frank Braham's perforators. A "perforated proof" W&/AC is illustrated.
2354	Perfin HBC Query	Blackman, Michael; Dee, Ken; Walter, Alastair	Perf. Soc. Bull., Dec 2001, (315), 9-10	Follow-up to 2347. The arms are identified as those of Hackney. Details of the borough and it's arms are given.
2355	Members' Comments on Previous Articles - Large letter R perfin	Smith, Rosemary	Perf. Soc. Bull., Dec 2001, (315), 10-11	Follow-up to 2355. The large R perfin (R0010.26) on Machins is thought to be a fake, although possibly a genuine older perforating machine.
2356	More about Copestake Crampton & Co	Pheby, L. W.	Perf. Soc. Bull., Dec 2001, (315), 11-12	Reminiscences of a former employee of Copestakes,who worked there in 1940 until the Bow Churchyard premises were damaged by bombing.
2357	Perfin from the Isles of Scilly	Ellis, Gaille	Perf. Soc. Bull., Dec 2001, (315), 13	A 1950 postcard from the Isles of Scilly is illustrated. The stamp has the perfin AS/P of the Anglo-Saxon Petroleum Co. Ltd. See 2366.
2358	Canadian Pacific GB perfins	Gault, Roy	Perf. Soc. Bull., Dec 2001, (315), 14-17	The perfins of the Canadian Pacific Railway, Canadian Pacific Ocean Services, Canadian Pacific Steamship Co. and Canadian Pacific Express Co. in the UK.
2359	Plummer Roddis Ltd.	Gault, Roy	Perf. Soc. Bull., Dec 2001, (315), 18-20	The various perfins of Plummer Roddis Ltd, drapers and house furnishers.
2360	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Dec 2001, (315), 21	Updates to the Foreign Bills catalogue.
2361	Anglo-Bavarian Brewery, Limited	Frost, John	Perf. Soc. Bull., Dec 2001, (315), 23	An illustrated cover from the Anglo-Bavarian Brewery, Shepton Mallet is shown. Sent in 1899, it bears a perfin A.B.B. (A0500.01).
2362	New Catalogue - Section P	Gault, Roy	Perf. Soc. Bull., Feb 2002, (316), 8-9	Some statisctic relating to the almost completed P section of the New Illustrated Catalogue, with an illustrated list of dies for which no details are known.
2363	Single Letter Provisionals	Steere, Stephen	Perf. Soc. Bull., Feb 2002, (316), 10	William Dawson & Sons used perfin WD/&S (W2040.03) before the Second World War, then WD/&S (W2040.02B) from 1943. Inbetween, they used a single letter D (D0100.02) which appears to have been a single letter provisional following the destruction of the pre-war die in the Blitz and prior to the making of the replacement.
2364	Kirkcaldy for Linoleum	Gault, Roy	Perf. Soc. Bull., Feb 2002, (316), 12-14	The perfins of linoleum manufacturers, mostly based in Kirkcaldy, including Shpeherd & Beveridge, John Barry, Ostlere & Co. and Michael Nairn & Co.
2365	J Sloper & Co - the date "Blitzed"	Steere, Stephen	Perf. Soc. Bull., Feb 2002, (316), 15-16	Evidence from Sloper accounting records recovered when they closed in 1991 suggests that the bombing of Sloper's premises occurred on 10 May 1941.
2366	Members' Comments on Previous Articles - Perfin from the Isles of Scilly	Gault, Roy	Perf. Soc. Bull., Feb 2002, (316), 17-18	Follow-up to 2357. The AS/P perfin used in the Isles of Scilly is a provisional 5170.01p. Although 1950 is a late date for a provisional, RT/F is known used 9 Sep 1951 and the technique of using more than one die to create the necessary intials was used well into the 1960s, e.g. SR (S6210.02v).
2367	Members' Comments on Previous Articles - Perfin R (R0010.26)	Marriner, John; Brandt, Jack	Perf. Soc. Bull., Feb 2002, (316), 18-19	Further reports of the suspect R perfin R0010.26, including a set of the high value machins, all neatly cancelled at Thetford on the same date. It appears they may have been soaked from a FDC and then perforated.
2368	Members' Comments on Previous Articles - Unusual Underprints	Brandt, Jack	Perf. Soc. Bull., Feb 2002, (316), 19-20	Follow up to 2341. Another example of the UNITED / BAKERS / BREAD underprint, this time on a KGV 1 1/2d with perfin A/&Co (A1300.02).
2369	New Earliest Cover Reported	Gault, Roy	Perf. Soc. Bull., Apr 2002, (317), 7	A perfin cover dated 5 Jan 1869 has been reported, with perfin S4920.01 (SM/&Co). The same perfin is also the earliest known on a loose stamp, Nov 1868. A list of 1869 covers is also given.
2370	More on the Lino Story	Harp, Maurice	Perf. Soc. Bull., Apr 2002, (317), 8-9	The Linoleum Company (Limited) used an overprint postally on 1d plates and then appears to have switched to the perfin LMCo (L3910.01).
2371	Members' Comments on Previous Articles - Two Strikes - different dies	Brandt, Jack	Perf. Soc. Bull., Apr 2002, (317), 9	Two more examples of different perfins on the same stamp. A 3d Wilding with Yardley perfins YY- Y1270.01 and 1270.02, the latter being a POKO. Also a Jubile 2 1/2d with Society for the Propogation of the Gospel perfins S.P.G (S5910.01) and a clamped "Waterlow" SPG die.
2372	A new 1d plate overprint	Kloss, Ken	Perf. Soc. Bull., Apr 2002, (317), 11	A previously unknown overprint on a penny plate is shown; F.H. Wenman / & Co., / London. The firm of Francis Heathcote Wenman, Ship & Insurance Brokers, 19 Bishopsgate Within is a likely user. See 2381.
2373	A Query Answered	Smith, Rosemary	Perf. Soc. Bull., Apr 2002, (317), 12	A 1954 cover with perfin FP (F3160.01) and identity of Glencourt Fashions is shown. Glencourt Fashions was a brand name of Foster Porter & Co.
2374	Sloper's unusual "&/Co" dies	Gault, Roy	Perf. Soc. Bull., Apr 2002, (317), 14-15	Ten dies are illustrated which show the unusual arrangement of an ampersand above Co, to the right of a single letter. All are postwar Sloper dies.
2375	Sloper "single letter" provisionals	Gault, Roy	Perf. Soc. Bull., Apr 2002, (317), 15	The catalogue editor points out that single letter dies used temporarily after the Blitz cannot be classed as true provisionals or given the suffix p on the catalogue number.
2376	The Stamp Distribution Syndicate Ltd and the Stamp Distribution (Parent) Company Ltd	Smith, Rosemary	Perf. Soc. Bull., Apr 2002, (317), 16-21	The first part of the story of the first stamp book vending machines with stamps perfinned SDC and SDS. Includes items from The British Philatelic Bulletin Oct 1970 and Gibbons Stamp Monthly January 1952. See 2397 for the second part.
2377	The Perfined Revenue Stamps of G.B.	Turnbull, Jeff	Perf. Soc. Bull., Apr 2002, (317), 22	New dies for the Foreign Bills catalogue.
2378	Egyptian perfins	Varjabedian, V.	Perf. Soc. Bull., Apr 2002, (317), 24	An update to the Egyptian Perfin Catalogue.
2379	Surprises from the Spring meeting!	Gault, Roy	Perf. Soc. Bull., Jun 2002, (318), 9	Perfin Bco/Ld in a cross (B1565.01) is reported on a QV halfpenny slate on piece with the perforation through both the stamp and card. The die was made by Slopers aroudnd 1885 for machine no. 6575.
2380	Perfin with a Crete Connection	Carey, Michael; Bavin, Mike	Perf. Soc. Bull., Jun 2002, (318), 14-15	An illustration of a Cretian stamp perfinned 28 and cancelled TEMENOS, together with a reprint of an auction report of a similar item from Bulletin 265 (library number 1826). See 2408 for a follow-up.
2381	Members' Comments on Previous Articles - Private Overprint "F.H. Wenman"	Mathews, John	Perf. Soc. Bull., Jun 2002, (318), 17-18	Follow-up to 2372. More information from trade directories about the likely user of the F. H. Wenman overprint.
2382	Members' Comments on Previous Articles - Frank Braham Advert	Donaldson, Andy	Perf. Soc. Bull., Jun 2002, (318), 18	Follow-up to 2348 and 2353. The author has purchased a Frank Braham advert, which is described but not illustrated.
2383	Lancaster Chancery Court	Smith, Rosemary	Perf. Soc. Bull., Jun 2002, (318), 19-21 and back of auction catalogue.	An introduction to the fee stamps issued by the Chancery Court in the Palatine of Lancaster, with illustrations of the four different perfin cancels and numerous ink cancellations.
2384	The British Transport Commission	Gault, Roy	Perf. Soc. Bull., Jun 2002, (318), 22-23	The perfins of the British Transport Commission's executives and successors, including the Railway Executive's Eastern and Western regions, the London Transport Executive, the Docks and Inland Waterways Executive and British Transport Docks Board.
2385	The Leeds & Liverpool Canal	Gault, Roy	Perf. Soc. Bull., Jun 2002, (318), 24-25	A short history of the Leeds & Liverpool Canal, begun in 1770 and last used commercially in 1972. The perfin L&L/C (L3460.01) was used by the canal company at various locations along the route. See 2390 for other locations.
2386	Board of Trade Perfins	Nelson, J.	Perf. Soc. Bull., Jun 2002, (318), 26-27	A cover postmarked London EC 22 Aug 1904 with a Board of Trade crest on the flap is illustrated. The attached stamp is perfinned with the Board of Trade perfin and the addressee is George Barnes at an address in Switzerland. A man of that name was a Senior Official Receiver with the Board.
2387	British perfins in the Twenty-first century	Ransom, Derek	Perf. Soc. Bull., Aug 2002, (319), 4	A list of 11 perfins known used after 1 Jan 2000, the latest definite date beng 18 Dec 2000.
2388	Members' Comments on Previous Articles - Two Different Dies on One Stamp	Sandy, Alan	Perf. Soc. Bull., Aug 2002, (319), 5	Two example of stamps each with two different perfins; GWR and HUTH on one, and ACD (A1110.01) and HS/C (H6490.01) on the other.
2389	Members' Comments on Previous Articles - United Bakers Bread underprint	Sandy, Alan	Perf. Soc. Bull., Aug 2002, (319), 5	Following 2341, other examples of the UNITED / BAKER / BREAD underprint, on stamps perfinned A/&Co (A1300.02) and M&Co (M1510.03).
2390	Members' Comments on Previous Articles - The Leeds & Liverpool Canal	Gault, Roy	Perf. Soc. Bull., Aug 2002, (319), 6	Follow-up to 2385, reporting additional locations of use of the Leeds & Liverpool Canal perfin.
2391	Perfins on KGV Silver jubilee stamps	Turnbull, Jeff	Perf. Soc. Bull., Aug 2002, (319), 6-8	The first update to the second edition catalogue of George V Silver jubilee perfins.
2392	Liverpool Cotton Stamps	Hill, Dave	Perf. Soc. Bull., Aug 2002, (319), 9-11	The stamps of the Liverpool Cotton Brokers Association and Liverpool Cotton Association with perfin C.H. Plus reports of postal perfins on similar stamps from the Liverpool Corn Trade Association (R4140.02) and Tea Clearing House (T0860.01m of Thomas Collier & Co.). See 2403.
2393	Perforated Foreign Bill stamps	Turnbull, Jeff	Perf. Soc. Bull., Aug 2002, (319), 12	Two new dies for the Foreign Bills catalogue
2394	More of Joseph Sloper	Hill, Dave	Perf. Soc. Bull., Aug 2002, (319), 13-17	Various snippets of information relating to perfins in general and Sloper in particular. Includes a letter from Thomas Cook & Sons to the Daily News in 1882 extolling the virtues of Frank Braham's perforating service. Also the 1948 Paris UPU convention stated that perfins must be licensed, but in Britain this was ignored.
2395	The 14 Dot 1d lilacs of quuen Victoria	Shields, Bill	Perf. Soc. Bull., Aug 2002, (319), 18-19	The author explains his fascination with perfins on the 14 dot 1d lilac, and seeks to establish how rare they are, 50 dies being currently known.
2396	Putting Flesh on the Bones!	Gault, Roy	Perf. Soc. Bull., Aug 2002, (319), 20-21	Some information taken from the 1881 census relating to perfin users Louis F. Bahr and Johan Valdemar Faber, and Sloper employee Henry Harborow who had a part in the manufacture of the first Sloper machine for sale for stamp perforating (G2410.01M).
2397	The Stamp Distribution Syndicate Ltd and the Stamp Distribution (Parent) Company Ltd - Part 2	Smith, Rosemary	Perf. Soc. Bull., Aug 2002, (319), 22-24	Following on from 2376, the second part of the story of the SDS and SDC perfins used in the first vended stamp books.
2398	British Gas perfin on registered postal stationery	Hill, Dave	Perf. Soc. Bull., Oct 2002, (320), 5	A piece of registered envelope with perfin BG/C of British Gas through the imprinted stamp is reported, used in 1978.
2399	A perfin glossary	Hill, Dave	Perf. Soc. Bull., Oct 2002, (320), 8-12	A glossary of GB perfin terms.
2400	Another Query Answered	Smith, Rosemary	Perf. Soc. Bull., Oct 2002, (320), 13; Dec 2002, (321), 14	Two covers with printed identities that do not obviously match the perfin are described. Jancourt seems to be a trade mark of J. G. Needham Limited, coat manufacturers of Manchester. An 1887 cover from South Pontop Colliery, Newcastle with perfin U.A./R. is a mystery, the suggestion of United Alkali falling down because that firm was not registered until 1890. In the second part Utrick Alex Ritson, Coal Fitter is suggested as the user.
2401	Thomas Cook's Underground Mail	Smith, Rosemary	Perf. Soc. Bull., Oct 2002, (320), 14-17	The story of the "underground" mail service operated during the Second World War for sending letters from occupied countries to Britain via P.O. Box 506 in Lisbon. A 1940 example from the Netherlands is shown.
2402	Some added interest in the PAC	Smith, Rosemary	Perf. Soc. Bull., Oct 2002, (320), 18-19	An explanation of the Prudential Assurance Company's symbol of Prudence, illustrated with early and modern versions.
2403	Liverpool Cotton Stamps etc.	Turnbull, Jeff	Perf. Soc. Bull., Oct 2002, (320), 20-21	Follow-up to 2392. More details of the stamps of the Liverpool Cotton Brokers' and Corn Traders' Associations and the London Tea Clearing House and the perfins to be found on them.
2404	Locations of early Sloper premises	Mathews, John	Perf. Soc. Bull., Oct 2002, (320), 22-23	Maps from 1769 and 1851 show the area around Sloper's offices in Budge Row.
2405	Postmark proof of perfin user	Turnbull, Jeff	Perf. Soc. Bull., Oct 2002, (320), 24	An example of perfin W.H.S./&S (W3900.01) on a 1/- orange is shown. The cancellation is the SS/F private cancel of W.H. Smith, thus identifying the perfin.
2406	The "General"	Gault, Roy	Perf. Soc. Bull., Dec 2002, (321), 6-8	The perfins on public transport organisations in the London Area, including the London General Omnibus Company, the Underground Group and their workshop subsidiary AEC, and the London Passenger Transport Board and London Transport Executive.
2407	Comments from previous articles: Locations of early Sloper premises	Smith, Brian	Perf. Soc. Bull., Dec 2002, (321), 11	First hand recollections of the moving of Budge Row, where Slopers once had an office, in the 1950s.
2408	Comments from previous articles: Perfin "28" on Early Crete Stamp	Walter, Alastair	Perf. Soc. Bull., Dec 2002, (321), 12-13	Following 2380, the perfin 28 used in Crete is identified with shipping company Austrian Lloyd whose agent in Crete had the control number 28.
2409	Re-construction of the early Sloper GR/W dies	Gault, Roy	Perf. Soc. Bull., Dec 2002, (321), 15-19	A reconstruction of the early Sloper multiheaded dies used to produce the GR/W perfins S4350.01 and .01a, based on a sample of 202 examples. Two 6x1 dies are involved, both of which were originally G4350.01aM (with minor variations) and both modified by removing three pins to produce G4350.01.
2410	R.H./OFFICIAL on a PERFIN	Marriner, John	Perf. Soc. Bull., Dec 2002, (321), 20-21	A R.H. Official overprint stamp is shown with a Bessbrook postmark, consistent with the perfin B in oval of Bessbrook Spinning Co. The overprint is forged but appears to be under the postmark.
2411	Coil Stamps	Hill, Dave	Perf. Soc. Bull., Dec 2002, (321), 27	Some data on stamp affixing machines. 1921 trials of continuously printed coils are mentioned, with Somerset House and the London Insurance Co. using them in Multipost machines. The latter could be the user of LIC (L3080.01).
2412	Official stamps with perfin	Walter, Alastair	Perf. Soc. Bull., Feb 2003, (322), 6	Response to 2410 on the perfin on a forged official overprint.
2413	Perfins in current use	Ransom, Derek	Perf. Soc. Bull., Feb 2003, (322), 9	Additions to the list of modern perfins. Includes a recent example of RH/A with a rogue extra pin at the base of the H, giving it another cross bar. This may be a modified version of PL/A (P2880.01).
2414	More on Sloper's premises	Hill, Dave	Perf. Soc. Bull., Feb 2003, (322), 10-11	A chronology of Sloper's central London premises from 1839 to 1972.
2415	Indecipherable or Incomplete Perfins	Beer, B. & Maybury, P.	Perf. Soc. Bull., Feb 2003, (322), 11-14	Some thoughts on the collecting of incomplete perfins and how to decipher them.
2416	Additions to Pefinned Silver Jubilee Catalogue	Greenhill, G.E.	Perf. Soc. Bull., Feb 2003, (322), 14	The second update to the second edition catalogue of George V Silver jubilee perfins.
2417	Perfin of the Sheel Company of Egypt Ltd.	Varjabedian, V.	Perf. Soc. Bull., Feb 2003, (322), 15	A 1955 invoice from Shell in Egypt is illustrated. The attached tax stamps is perfinned with a shell design.
2418	Perforated Telegraph Form	Smith, Rosemary	Perf. Soc. Bull., Feb 2003, (322), 17	The first recorded example of an Edward VII prepaid telegraph form with perfin is illustrated. The embossed 6d stamp is perfinned GM/&G (G3400.01) of Ginner Morton & Goddard.
2419	Perforated Air Letters	Smith, Rosemary	Perf. Soc. Bull., Feb 2003, (322), 18-19	Some new discoveries in the field of perfinned aerograms.
2420	Perforated Foreign Bill stamps	Turnbull, Jeff	Perf. Soc. Bull., Feb 2003, (322), 20	New dies discovered on Foreign Bill revenues.
2421	An incomplete history of Stamp Affixing Machines	Hill, Dave	Perf. Soc. Bull., Feb 2003, (322), 21-28	The story of the development of automatic stamp affixing machines, including the BEAM and Michelius "Record" machines which could perfin the stamps. Includes illustrations of advertisements.
2422	Two different bank perfins used on one cover	Varjabedian, V.	Perf. Soc. Bull., Apr 2003, (323), 6-7	A 1929 Egyptian cover is shown which has perfins of two different banks; OB of Ottoman Bank and BCE od Banca Commercile Italiana Per L'Egitto.
2423	British perfins in the Twenty-first century	Ransom, Derek	Perf. Soc. Bull., Apr 2003, (323), 9	A list of perfins used since 1 Jan 2000, the latest definite date being April 2002 for K&C of Kensington & Chelsea.
2424	The Earliest Surviving and longest Lived Dies	Gault, Roy	Perf. Soc. Bull., Apr 2003, (323), 10-13	73 dies are known used on GB stamps of all six monarchs. Three of these which began life before 1880 are shown. The seven longest lived dies are also shown, the record holder being SC (S1210.04M) used from at least 1894 to 1995.
2425	Thomas Bray - Priest & Missionary	Shields, Bill	Perf. Soc. Bull., Apr 2003, (323), 15-17	The story of Thomas Bray, founder of the Society for the Propagation of the Gospel, user of the well known "clamped" SPG dies.
2426	Golden Jubilee Celebrations	Gault, Roy	Perf. Soc. Bull., Apr 2003, (323), 18-21	A summary table of the dies found on the various issues of Queen Elizabeth II.
2427	Pryce Jones' - Newtown	Smith, Rosemary	Perf. Soc. Bull., Apr 2003, (323), 22-25	The history of the first large scale mail order company, Pryce Jones. By 1902 the firm had a Post Office within their warehouse to deal with the huge volumes of mail and were one of the first users of the FREEPOST system in 1909. They used various PJ/NT perfins plus PJ (P2610.01M), a 4 headed machine still held in the company archives and last used in 1975.
2428	Additions to Pefinned Silver Jubilee Catalogue	Greenhill, G.E.	Perf. Soc. Bull., Jun 2003, (324), 7	The third update to the second edition catalogue of George V Silver Jubilee perfins.
2429	Correction to Foreign Bills Catalogue.	Turnbull, Jeff	Perf. Soc. Bull., Jun 2003, (324), 7	Correction to Foreign Bills Catalogue. L13.04 is renumbered to L25.05.
2430	Postage rates and perfins	Hill, Dave	Perf. Soc. Bull., Jun 2003, (324), 8-9	A look at the basic postage rates applying during the main period of use of affixing machines.
2431	New catalogue - Section L	Gault, Roy	Perf. Soc. Bull., Jun 2003, (324), 12-13	A summary of the almost completed L section of the New Illustrated Catalogue, including statistics for scarcity, longest lived die and 21 dies are illustrated which have been previously reported without any details of issue, user etc.
2432	The Leeward Islands Fees Stamps	Jakes, Ian	Perf. Soc. Bull., Jun 2003, (324), 14-15	A QV Leeward Is. fees stamp with perfin M.C./A. is illustrated. The perfin is thought to be a cancellation of Magistrates Court Antigua.
2433	The Full Name HUTH dies used 1869-1936	Gault, Roy	Perf. Soc. Bull., Jun 2003, (324), 16-19	Details of the HUTH perfin (H7490.01 and .02) including known values and dates of use, and the users Huth & Co., merchant bankers, who were dissolved in 1936. This firm is mentioned in an 1874 GPO report into the use of full names. Also, an extract from "The Standard" of 3 Mar 1888 is quoted, detailing how an emplyee of Huth's cashed stolen 5d stamps by affixing them to postal orders.
2434	Members' Comments from previous articles - Pryce Jones	Johnson, Jon; Brandt, Jack	Perf. Soc. Bull., Jun 2003, (324), 20-21	The Pryce Jones perfin PJ (P2310.01M) seems to have been also used in Canada, being approved on 10 Jun 1912. The firm closed in Canada in 1915.
2435	Non-Philatelic Perfin on Postal Orders	Brandt, Jack	Perf. Soc. Bull., Jun 2003, (324), 22-23	An example of a postal order with a perforation instead of an issuing office datestamp is shown. The perforation consists of day and month over a pair of letters representing the city, e.g; CA for Cardiff. See 2440.
2436	Modern perfins - A Speculation	Ransom, Derek	Perf. Soc. Bull., Jun 2003, (324), 26-27	Additions to the list of perfins on perfins in the 21st century.
2437	Line Engraved Subtleties Revealed	Gault, Roy	Perf. Soc. Bull., Aug 2003, (325), 4-5	Two subtly different versions on the early perfins MWB (M0810.01M) and McI (M1280.01) are identified. See 2444.
2438	Shropshire Perfins	Atkins, Brian	Perf. Soc. Bull., Aug 2003, (325), 6-7	Two perfin used in Shropshire are shown; MAW of Maw & Co., Broseley, and CAM/RYS of Cambrian Railways
2439	Lutterworth Press	Steere, Stephen	Perf. Soc. Bull., Aug 2003, (325), 8-9	The Religious Tract Society used perfin RTS until 1939, then LP for their new name of Lutterworth Press. The United Society for Christian Literature, who used USCL perfins, operated from the same address in Redhill.
2440	Members' Comments from previous articles - Non-Philatelic Perfin on Postal Orders	Russell, Harvey	Perf. Soc. Bull., Aug 2003, (325), 9	Follow-up to 2345. The perforation instead of an issuing date stamp on postal order was used for bulk orders from pools firms.
2441	Copestake, Crampton et al	Hill, Dave	Perf. Soc. Bull., Aug 2003, (325), 14-19	An illustrated listing of the perfins used by Copestakes, and the complicated history of the company's name as partners came and went.
2442	2 new Egyptian perfins and their users	Varjabedian, V.	Perf. Soc. Bull., Aug 2003, (325), 20	Two new perfins are reported on Egyptian revenue stamps; AC/C of Al Chark Assurance, and a design of three pyramids used by Misr Petroleum Company (ex Shell Company of Egypt).
2443	New Railway Die?	Gault, Roy	Perf. Soc. Bull., Oct 2003, (326), 6	A new die is reported, MS/WJ which from postmark evidence is thought to have been used by the Midland and South Western Junction Railway. It has been allocated number M5410.02v and appears to be a "SPG type" clamped die.
2444	MBW and McI update	Gault, Roy	Perf. Soc. Bull., Oct 2003, (326), 6	Update to 2437 on the minor variations in the McI and MBW dies on line engraved issues.
2445	Die-in-use dates for the Copestake Dies	Gault, Roy	Perf. Soc. Bull., Oct 2003, (326), 8-9	An illustrated listing of the perfins used by Copestakes, with dates of use for each die.
2446	Copestake, Crampton et al	Donaldson, Andy	Perf. Soc. Bull., Oct 2003, (326), 10-11	Some background information on Copestakes, founded in 1825 as Copestake and Gourock, and the lives of some the partners in the firm.
2447	Perfin Society Packet	Fountain, Colin	Perf. Soc. Bull., Oct 2003, (326), 12-15	Some thoughts on the Perfin Society's defunct sales packet and on buying and selling perfins in general.
2448	Salford Corporation's SC	Gault, Roy	Perf. Soc. Bull., Oct 2003, (326), 16	The period of use of Salford Corporation's SC perfin (S1210.04M) has been extended to at least 107 years by the discovery of a 1d lilac with this perfin postmarked 15 Jun 1888. Six subtly different patterns are identified, indicating a 6x1 multiheaded die.
2449	The Eadie Mfg Co and the Enfield Cycle Co.	Brown, Frank	Perf. Soc. Bull., Oct 2003, (326), 18-19	Some details of perfin users Eadie Manufacturing and Enfield Cycle Company.
2450	Leeward Islands perfinned feed stamps	Smith, Rosemary	Perf. Soc. Bull., Oct 2003, (326), 20	A further Leeward Islands perfin, M.D./D is illustrated. The user is unknown.
2451	Perfins on Egyptian Tax Stamps	Varjabedian, V.	Perf. Soc. Bull., Oct 2003, (326), 21-23	Four companies are known to have used perfins on Egyptian tax stamps. Examples of each on documents are illustrated.
2452	Current Perfins	Ransom, Derek	Perf. Soc. Bull., Oct 2003, (326), 24	Additions to the list of modern perfins, including F in C over CL, a new private perfin used in 1999 by the Polish Institute and Gerneral Sikorski Museum to commemorate the 150th anniversary of Frederick Chopin's Death.
2453	Perfined Telegraph Stamps	Evans, Jon	Perf. Soc. Bull., Oct 2003, (326), 27	A list of perfins on GB Telegraph stamps.
2454	ALLCHINS - Again!	Hill, Dave	Perf. Soc. Bull., Oct 2003, (326), 28-32	An attempt to identify perfins produced by Allchin's based on a distinctive Co.Ld. part of the dies.
2455	Hitchcock, Williams & Co.	Hill, Dave	Perf. Soc. Bull., Dec 2003, (327), 12-14	The history of Hitchcock Williams & Co., drapers of Cheapside, London and user of the first Sloper machine made for sale to a client in 1868 (G2410.01M). Their other perfins are illustrated and dates of use given. One of the partners in the firm was George Williams, founder of the YMCA and their perfins are also shown.
2456	Another Copestake Die	Gault, Roy	Perf. Soc. Bull., Dec 2003, (327), 15	The Copestake die CL/+/CCo (C4370.01) has now been recatalogued as two distinct dies with different periods of use. Both are illustrated here.
2457	The YOST Typewriter Co Ltd.	Gault, Roy	Perf. Soc. Bull., Dec 2003, (327), 16	A very brief history of the YOST typewriter company and their seven perfins used from 1891 until the company was liquidated in 1923. The 19th century perfins used by the firm are of the "SPG" type.
2458	Diesel and Gas Engine Manufacturers	Gault, Roy	Perf. Soc. Bull., Dec 2003, (327), 17-21	The perfins of British manufacturers of diesel and gas engines, including Mirrlees, Watson & Co. and the National Gas Engine Co.
2459	Another Line Engraved die configuration determined - MS&L	Harp, Maurice	Perf. Soc. Bull., Dec 2003, (327), 22-23	By looking at the occurrence of missing pins on line engraved stamps with check letters, it is shown that the MS&L (M5250.01) die of the Manchester, Sheffield and Lincolnshire Railway is a 6x1 multiheaded die.
2460	The Potts	Gault, Roy	Perf. Soc. Bull., Dec 2003, (327), 24-25	The chequered history of the Potteries, Shresbury and North Wales Railway Co. is recounted. The perfin P4405.01 (P/SNWR), of which just two examples are recorded, is thought to have been used by the railway in the 1870s.
2461	Rene Hillsman auction catalogue	No author	Rene Hillesum auction on 27 Feb 2005	An auction of Netherlands stamps, including the Peter Rozema collection of Dutch perfins.
2462	2001 - A Stamp Odyssey	Samuel, Robert	Robert Samuel's Postal Stationery Newsletter, April 2001, 2, (6), 24	100 of the New Zealand Pictorial Datestamp cards were perfinned with the Perfin Club of NZ and Australia's perfin PC/NZA for the 2001 New Zealand national stamp exhibition.
2463	Australian Stamps overprinted North West Pacific Islands and perforated OS	Williams, Patrick H; Banwell, David A; McMackin, Hugh J	Bulletin of the British Society of Australian Philately, April 2001, supplement.	A detailed study of Australian stamps overprinted North West Pacific Islands for use in New Guinea and perfinned OS. Inlcudes a scarcity guide. pp 20.
2464	Malacca and Ceylon	No author	The Philatelic Monthly and World, July 1897, 23, (7), 95	In Malacca and in Ceylon, large commercial firms are permitted to print their names on the postage stamps to prevent theft of stamps on the part of their employees. (Contemporary report)
2465	Perfins on New Zealand Stamps	Samuel, Robert	New Zealand Stamp Collector, Dec 1995, 75, (4), 87-89	A basic listing (not illustrated) of New Zealand perfins by issue. See 2466.
2466	Additions and Corrections: Perfins on New Zealand Stamps	Samuel, Robert	New Zealand Stamp Collector, Mar 1996, 76, (1), 23	Additions to the list of New Zealand perfins in 2465.
2467	VOCO - Vacuum Oil Company	Samuel, Robert	New Zealand Stamp Collector, Jun 2001, 81, (2), 47	Two examples of New Zealand Queen Victoria stamp duty revenues with the VOCo perfin on Vacuum Oil Co. in Melbourne, Australia have come to light. It is thought that they are fakes produced using the original peforator.
2468	QV "Second Sideface" issue: The advertisers	Robertson, G. I.	New Zealand Stamp Collector, Jun 2001, 80, (1), 5-8	Nineteen different advertisements printed on the backs of New Zealand stamps of 1893 are illustrated and details of the firms given.
2469	Duo of perfined 519s triples ceritified census	No author	Linn's Stamp News, 28 Mar 2005, 46	Two examples of the US 2 cent Washington stamp perforated 11 with perfins are shown. Prior to the discovery of these stamps in 2004, the Philatelic Foundation had certified just one used example of this stamp with perfin.
2470	New Zealand's Earliest Perfin	Samuel, Robert	New Zealand Stamp Collector, Dec 1982, 62, (4), 133-135	The earliest known New Zealand perfins used postally (1875) and fiscally (1869) are discussed.
2471	The B.E.T. CO LD perfin	Robertson, G. I.	New Zealand Stamp Collector, Jun 1989, 69, (2), 59	The New Zealand perfin B.E.T./Co.Ld is illustrated. The user is thought to have been British Empire Trading of Wellington.
2472	Metro-Goldwyn-Amyer (NZ) Ltd & NZ Insurance Co. Ltd perfins	Robertson, G. I.	New Zealand Stamp Collector, Jun 1994, 74, (2), 66-67	Two examples of perfin M/G/M on New Zealand railway charges stamps of 1925-1959 are illustrated, used in Wellington. Also the New Zealand Insurance Co. used perfins NZ/ICo and N.Z./I.Co. in India, but now an earlier N.Z./I.C. perfin has been identified.
2473	Forgeries - Specimen overprints and O.S. Perfins	Bohne, W.M.	New Zealand Stamp Collector, Jun 1992, 72, (2), 52-57	An example of a genuinely used Australia #2 Kangaroo stamp with forged OS perfin is illustrated.
2474	Santa Fe Railways	No author	Railway Philately, Dec 1979, 14, (1), 13	SFE and PSF perfins of Sante Fe railways.
2475	Uruguay advertising labels	Kloss, Ken	Uruguay Philatelist, Jan-Mar 1974, 14, (1), 47-48	Advertising labels with Uruguayan perfinned stamps attached.
2476	The Stamps of Papua	Kemp, Sidney A.	Freeman's Monthly Circular, Sep 1913, (4), 23-28	A contemporary report on the stamps of Papua, including the OS perfins. Papuan stamps perfinned OS were available cancelled to order from the postmaster at Port Moresby and it seems that some errors were deliberately created, including pairs with one stamp perfinned and the other not.
2477	Perfins	Mackay, James	British Philatelic Bulletin, 34, Jul 1997, (11), 338-341	A general introduction to GB perfins.
2478	Perfin Corner	No author	Railway Philately, Summer 1966, 1, (1), 7	The CBS/CR perfin of the Cork, Bandon & South Coast Railway of Ireland is illustrated. This railway merged into the Great Southern Railway (Ireland) in 1924.
2479	An introduction to the Railway "Perfins" of Great Britain	Thornton, Mary	Railway Philately, Mar 1968, 2, (2), 34	Introduction to railway perfins, illustrated with three different CAM/RYS dies.
2480	Province of Saskatchewan	Woolley, R. J.	BNA Topics, Jun-Jul 1968, 25, (6/7), 152	The PS perfins of the province of Saskatchewan, Canada.
2481	Province of Alberta?	Woolley, R. J.	BNA Topics, Apr 1968, 25, (4), 98	A PA perfin initially thought to have been used by the Province of Alberta is actually part of a PAID die used as a perfin by the Royalit Oil Co. of Calgary, Alberta in the 1960s.
2482	E for Edmonton	Woolley, R. J.	BNA Topics, Mar 1968, 25, (3), 74	A Canadian George V cover with perfin E and identity of Swift Canadian Co., Edmonton is illustrated.
2483	J. Sloper & Company	Woolley, R. J.	BNA Topics, Feb 1968, 25, (2), 44
2484	Security Embossing	Evans, Jon	Jonz Stamping Ground website, 10 Mar 2002	An illustrated listing of embossed security marks on GB postage stamps, the earliest being J.B & Co in 1847.
2485	Side Line	No author	Railway Philately, Spring 1967, 1, (3), 49-50	An 1875 letter from the Great Western Railway at Birmingham Snow Hill station, complete with envelope bearing penny red perfin GR/W is illustrated.
2486	A. & R. Tod, Ltd.	Behm, Michael	Commercial Opt. Soc. of G.B. Newsletter, Jul 2006, 4, (1), 1	A brief history of A. & R. Tod Ltd., flour millers of Leith and their commercial overprint.
2487	Anchor Line (Henderson Brothers) Ltd.	Behm, Michael	Commercial Opt. Soc. of G.B. Newsletter, Jul 2006, 4, (1), 2	A brief history of shipping line Anchor Line (Henderson Brothers) Ltd., and their commercial overprint.
2488	Rylands & Sons	Behm, Michael	Commercial Opt. Soc. of G.B. Newsletter, Aug 2006, 4, (2), 1-3	A brief history of Rylands & Sons, manufacturers of woven cotton goods in Manchester and Liverpool, and their numerous commercial overprints from QV to QEII.
2489	Canadian Pacific Railway Ephemera	No author	Railway Philately, June 2004, 38, (3), 114-115	The GB perfins and commercial overprint of the Canadian Pacific Railway.
2490	1919 Railway Strike	Melrose, Max	Railway Philately, June 2004, 38, (3), 126-139	A copiously illustrated article on the internal "Emergency Airmail Service" operated during the national railway strike of 1919. A cover from Siemens Bros. sent by this service using stamps perfinned SBD is illustrated.
2491	Lancashire & Yorkshire Railway Newspaper Stamps	Marriner, John	Railway Philately, June 2004, 38, (3), 143	Four examples of Lancashire & Yorkshire Railway stamps for prepaid newspapers are illustrated. All are perfinned W.H.S/&S. (W3900.01) of W.H. Smith.
2492	Newspaper Wrapper Perfin	Rutter, Con	Yorkshire's Post, Winter 1986, 10, (10), 127	A George V halfpenny newspaper wrapper cancelled on 11 May 1914 at York is illustrated. The wrapper is perfinned R&Co/Ltd and has a printed identity of Rowntree & Co., Ltd., The Cocoa Works, York.
2493	A perfinned postage due	Dicketts, Michael	BNA Topics, Sep-Oct 1986, 43, (5), 48	Two examples of 1958 Canadian covers to the firm of Consolidated Mining & Smelting at Trail. Both have been charged postage due and have postage due labels perfinned with the company's CMS perfin.
2494	Perfin design Type T.5 - TP&T	Benningen, Jack	BNA Topics, Sep-Oct 1978, 35, (5), 4	The TPT perfin of Canada is identified with the solicitor's firm Tupper, Phippen and Tupper of Winnipeg.
2495	Province of Saskatchewan	Johnson, Jon	BNA Topics, Sep-Oct 1978, 35, (5), 23-24	A history of perfins in the provincial treasury of Saskatchewan, Canada, used from 1927 to 1972 when the machine broke.
2496	Firms' Names on 1D. Red	Webb, W.S.	Philatelic Chronicle and Advertiser, Jun 1899, 8, (9), 67	A report of the J & C Boyd underprint on a 1d red "star" stamp.
2497	Mexican perfins flourished at turn of century	Pulver, Dave	Linn's Stamp News, 27 Sep 2004, 40-41	A short introduction to Mexican perfins. Includes an illustration of a customs duty revenue perfinned LAREDO, the place of use, which was used as a cancellation.
2498	Bradford Punched Cancellations	Boyes, Dennis	Yorkshire's Post, 2000/1, 16, (7), 3	Follow-up to 2499 on the single hole postcard cancel used in Bradford.
2499	The "Sloper" punched cancellation used at Bradford	Boyes, Dennis	Yorkshire's Post, 1999/2, 16, (4), 9-10	A single hole postcard cancellation was used at Bradford in 1871-72. An example is illustrated.
2500	Glimpses of the past - II. The mother of all booklets	No author	Gibbons Stamp Mon., Jan. 1952, 25, (5), page unknown.	Details of the Stamp Distribution Company booklets with penny lilacs perfinned SDC - includes GSM contemporary account (May 1891)
2501	Un Elixir perfofilico	Pettruti, Alehandro Jose	Cuardenos Filatelicos, March 2000 (45), 16-17	Non-English
2502	L'outrage fait au timbre!	Dedecker, Robert & Naillou, Laurent	La Philatelie Francaise Dec. 1999 (543), 8-10	Non-English (French). General intro to French perfins
2503	Le mystere "perce" d'une marque de fabrique	No author	Atout Timbres 15 Mar. 2000 (38), 20-22.	Non-English (French).
2504	Skyddsperforering	Bergman, Leif	Svensk Filatelistik Tidskrift, April 2000, 101 (3), 158-9.	Non-English
2505	Australia '99 : Segel in Melbourne	Hornung, Otto	Michel Rundschau, June 1999, 576-7	Non-English (German). Details of photo tab stamps of Australia, issued for Australia '99 world philatelic exhibition in Melbourne. Includes A99 perfin on miniature sheet.
2506	The Perfins of Japan	Shayler, Gary	Kiku Shimban, Sept. 1996 (109), 61-3	Reprint from Perfin Society Bulletin, June 1996 (282), p.20-22.
2507	Discovery - the PEI Perforator	Murray, G Douglas	The Postal History Society of Canada Journal, Apr 1979 (17), 4.	Short article on discovery of the actual perforator for PEI of Prince Edward Island provincial government (includes illus. of cover but not of the perforator!)
2508	Chronicle	No author	The Transcript, 14 June 1910, 9, (16), 54	Contemporary reports of then current US perfins including A/G ; ATF/Co ; BFG/Co ; SO/RY ; SSW .
2509	Chronicle	No author	The Transcript, 5 July 1910, 10, (2), p 71	Contemporary reports of then current US perfins
2510	Chronicle	No author	The Transcript, 19 July 1910, 10, (4), p 79	Contemporary reports of then current US perfins
2511	Chronicle	No author	The Transcript, 9 August 1910, 10, (8), 97	Contemporary reports of then current US perfins
2512	Chronicle	No author	The Transcript, 20 September 1910, 11, (4), 121	Contemporary reports of then current US perfins
2513	Chronicle	No author	The Transcript, 23 August 1910, 11, (4), 121	Contemporary reports of then current US perfins
2514	Chronicle	No author	The Transcript, 18 October 1910, 11, (8), 133	Contemporary reports of then current US perfins
2515	Chronicle	No author	The Transcript, 27 September 1910, 11, (5), 71	Contemporary reports of then current US perfins
2516	Trade Advertisment	Everett, R.	UDPA Bulletin Dec. 1990	Buying advert for R. Everett published in trade journal
2517	Perfins	Bloys, J.C. (van Treslong Prins)	Nederlandsch Maandblad Voor Philatelie, July/August 1972	Non-English (Dutch). Translated by Steve Netten.
2518	A Missionary from India	No author	The Philatelic Era, November 1892, 6 (3) : The Philatelic Literary Review supplement.	Report from a missionary just returned from India about the pen marking of stamps on letters to guard against their being stolen by servants entrusted to post them.
2519	GB - The Overseers of Bristol	Armitage, Lawrence	The Revenue Journal of Great Britain, 1 June 1997, 8, (1), 13	Article on the work of the Overseers of Bristol, with illus. of their commercial overprint.
2520	Canadian Perfins	No author	Pantiles Post, Spring 1961, (47)	Brief history of Canadian perfins, esp. PO regulations
2521	Precise Perfin Data	Beecher, Henry W.	Am. Phil., Feb 1985, 99, (2), 104	Letter to the editor adding to "Philatelic Notebook" article of November 1984. Same as 1607.
2522	Columnist appears on Aussie stamp selvage	Hotchner, John M.	Linn's Stamp News, 26 April 1999, (3678), 6	Article on A99 perfin used at Australia 99 (including inverted perforations)
2523	British perfins make interesting specialty	Alderfer, David	Linn's Stamp News, 10 May 1999, (3680), 18	Introductory Article
2524	Overprinted stamps	Thornton, Mary E.	Welsh Philatelic Society Newsletter, August 1978, (20), 16	Commercial overprints used in Wales.
2525	Perfins Come to Wales	Wornum, Ralph E.	Welsh Philatelic Society Newsletter, Spring 1976, (13), 11	Introduction to Welsh perfins, with identities
2526	Once more from the beginning : How did perfins prevent Theft?	Beecher, Henry W.	Am. Phil., Jul 1985, 99, (7), 584	Letter to the editor referring to 2528, with details of PO redemption policy for stamps. Same as 1425.
2527	Perfin Offered	No author	Am. Phil., April 1985, 99, (4), 302	Offer by Kisner to supply copies of Star of David perfin on cover.
2528	Perfins Positively Prevented Pilfering	Roy, R.J.	Am. Phil., May 1985, 99, (5), 390	Follow up to 2521. Same as 1445.
2529	Letter to Editor	Kaus, Hurmuz	The Philatelist, June 1968, 34, (9), 275	Letter regarding perforations not listed by SG - followed up in 2539
2530	Perfins of Mexico - Update	Fisher, Ed	Mexicana, July 1987	Consolidated listing of known Mexico perfins
2531	G.B. Heads and Tails	Alexander, Jean & Alexander, Crawford	Stamp Collecting, 16th November 1978, 131, (13), 1411	Short introduction to GB perfins, including Sloper 20th Century sample card and illustration of Sauven No. 50 machine
2532	A Tasmanian Postal Card Perfin T Puzzle	Fricke, Charles A.	Postal Stationery, April-June 1996, 38, (2), 73	Tasmanian postcard perfin T. Followed up in 2533.
2533	A Tasmanian Postal Card Puzzle Solved	Menuz, Wayne	Postal Stationery, July-September 1996, 38, (3), 142	Tasmanian postcard perfin T. Follow up from 2532.
2534	Perfins	Mistretta, Paul A.	Am. Phil., November 1984, 98, (11), 1114	See also 1424. General introductory article, plus details of APS perforator.
2535	G.B. Heads and Tails	Alexander, Jean & Alexander, Crawford	Stamp Collecting, 11th June 1981, 141, (11), 841	Very short article on more modern GB perfins.
2536	Official Punsts of the United Kingdom	Dixon, F. E.	Stamp Collecting, 24th May 1963, 100, (12), 403; 7th June 1963, 100, (14), 459; 21st June 1963, 100, (16), 525; 28th June 1963, 100, (17), 555	Short introductory article about those official perfins then current : HM/SO and DS/IR. Also follow up letters discussing the merits of "punsts" vs. "perfins". Two of these also discuss earliest use, including 30.5.68 reported by Charles Jennings.
2537	Introducing Perfins	McAdam, G. A.	Stamps, January 1982, 2, (11), 51	General intro.
2538	Great Britain (Auction Report)	No author	The Philatelist, August 1969, 35, (11), 354	Auction report with illustration (poor) of "Liverpool Pins" (1850s stamps showing some sort of perforation) with no further explanation!
2539	Letter to Editor - "Punctured"	Kaus, Hurmuz	The Philatelist, April 1969, 35, (7), 213	Letter regarding perforations not listed by SG - follow up from 2529
2540	CA Overprint of 1906	Gilbert, J. H. O.	GSM, 38, (5), 86	1968 article illustrated with 6d overprint used on local postcard in Semer, Ipswich on 18.1.1906 - message "Today is Polling day".
2541	Stamps overprinted or underprinted for and by private firms	Johnson, F. M.	GSM, March 1980, 10, (10), 86	Article on official and unofficial underprints and overprints.
2542	Back Views	Sterckx, Alan	Stamp Collecting, 29 April 1966, 106, (9), 341	General article about what can be found on the backs of stamps.
2543	A look at perfins evidenced by Mauritius	Ibottson, Peter	Stamp Lover, July-September 1976, 68, (3), 240	Breif article about all 9 known perfins of Mauritius.
2544	Envelopes and Paper Stamped to Order with Embossed Stamps	Huggins, A. K.	The Philatelic Journal of Great Britain, March 1970, 80, (1), 12	Listing with illustrations of stamped to order stationery inc. advertising rings.
2545	Canada Officials	Jeffries, Hugh	GSM, February 1989, 19, (9), 31	Intro to Candian officials
2546	The Anglo-Egyptian Sudan	Hebbert, H. E.	GSM, November 1959, 33, (3), 27	Notes on the use of the "Service" stamps. Author Colonel Hebbert was Director of Posts in Sudan 1939-1944.
2547	De Firmaperforatie (Perfin) M. & Co in Zegels van Nederland.	Enschede, E.J.	De Postzak, June 1964, (68), 22	Non-English
2548	Canada Officials : The Method of Perforating OHMS	Wrigley, Roy	Am. Phil., February 1972, 86, (2), 137.	Details of the machines supplied by Cummins and how they were used.
2549	Canada OHMS Airmails	Wrigley, Roy	Am. Phil., December 1972, 86, (12), 1091.	Use of Canada airmails (inc. Special Delivery) perfin OH/MS.
2550	Letter to Editor	Barnes, Edward	The Philatelist, November 1976, 43, (2), 34	Letter enquiring about CAVE overprints. Followed up in 2551 and 2552.
2551	Letter to Editor	Williams, Norman	The Philatelist, December 1976, 43, (3), 66	Follow up to 2550 referring to previously published articles on the subject. Followed up in 2552.
2552	Letter to Editor	Jakes, Ajax	The Philatelist, January 1977, 43, (4), 110	Follow up to 2551 and 2550. Gives user as H.W. & A.W. Cave, Booksellers, Colombo.
2553	Caves of Sri Lanka	No author	Linn's Stamp News, 31 August 1998, 71, (3644), 62.	Short piece using info published in April 1998 and May 1998 issued of Perfins Bulletin, illustrates CAVE and CAVE/COLOMBO perfins
2554	Fake perfins reported on Chinese, Russian stamps	No author	Linn's Stamp News, 31 August 1998, 71, (3644), 28.	Short piece using info published in February 1998 and May 1998 issued of Perfins Bulletin, illustrates one of the Russian fakes.
2555	Firmaperforaties en Andere Perforaties in Postzegels van Bosnie-Hercegowina	Konig, K. E.	De Postzak, May 1962, (61), 9	Non-English. Lists four perfins of Bosnia (2 illustrated).
2556	Why does my stamp have a lot of holes in it?	Baadke, Michael	Linn's Stamp News, 26 January 1998, 71, (3613), 46	"Refresher Course" covering several countries.
2557	New Zealand Advertisement Underprints.	Hamilton, Patrick.	Stamp Collecting, 25 January 1963, 99, (21), 683.	Detailed article including where different underprints appeared on the sheet, with some illustrations.
2558	An Arrow for Sloper	Kilroy, W. H.	Stamp Collecting, 28 December 1962, 99, (17), 559.	Article on the use of Sloper arrow machine for cancelling postcard in bulk during 1870-1874. Includes illustrations and also the suggestion that some cards were issued pre-cancelled to the public. Gives date ranges for different combinations of missing pins.
2559	Pol-Marken ein neues Spezialgebeit fur Deutschland-Sammler	Neumann, R. L.	Grune Sammler-Welt, October 1934, (57), 1	Non-English
2560	Amtliche Lochungen	No author	Grune Sammler-Welt, July 1934, (54), 1	Non-English
2561	Collecting the Battleship revenues of 1898	Friedberg, Richard	Linn's Stamp News, 70, (3606), 28	Article on "Battleship" type Documentary and Proprietory stamps, concentrating on precancel overprints. Includes references to two listings of these overprints.
2562	Here and There	Lawson, W. J.	The Philatelist, November 1945, 12, (2), 22	Request for information about a block of four Edward VII 1d overprinted CA.
2563	CA Overprints	Bein, Charles	The Philatelist, September 1946, 12, (12), 333	Response by Charles Bein to a letter of 6.7.1946 from W.N.A. Thompson, which appeared on p.306 of this volume, about a pair of George V 1d stamps perfin CA used in Trinidad. Expresses the opinion that this use cannot be genuine.
2564	C.A.	No author	The Philatelist, March 1946, 12, (6), 149	Short article illustrating part of a postcard with Edward VII 1d value overprinted C.A. used in Radleigh, Suffolk on 10.2.1906. This postcard carries a note saying that the stamp is one of 50 so used, but no further explanation.
2565	Six-Pointed Perfin	Kisner, Jacob	Am. Phil., November 1997, 111, (11), 999	Letter to editor from Jacob Kisner, user of the Star of David perfin. Includes illustration.
2566	Philately for Fun	McQueen, Ian	Stamp Collecting, 17 February 1983, 146, (21), 771.	Short piece on perforated postal stationery, mentioning J.M. (J. Moresco) in Denmark, S.F. & Co. (S. Freundenfels & Co.) in Austria, CFP (Credit Franco-Portugais) in Portugal and GWR in Britain - all illustrated
2567	Australian Commonwealth NSW Punctured Officials	Hughes, H.S.	The Philatelist, May 1949, 15, (8), 233	See also 0190. Illustrated article on NSW officials, includes the 10 dies of the multi-headed peforator introduced in 1937.
2568	CA Overprints	Thompson, W.N.A.	The Philatelist, August 1946, 12, (11), 306	Letter to Editor. Refers to 2569, gives details of the writer's own examples (not illus.)
2569	British Stamps Overprinted C.A.	Thompson, J.C.	The Philatelist, February 1946, 12, (5), 124	"We have heard from one of our readers, J.C. Thompson of Sydney, Australia, that specialists in the Commonwealth believe this overprint was applied at Australia House in London as a private overprint 'Commonwealth of Australia' for protection against persons using them on unathourised private letters. No cover has yet been seen." (Complete) Followed up in 2568.
2570	Postal Cancellations in Manuscript	Ray, Leslie R.	The Philatelist, September 1948, 14, (12), 340	One paragraph in a longer article (Hanover m/script precancel illus.)
2571	Perfins	Schlunegger, Ernst	SBZ June-July 1997, (109), 333	Non-English (German). Short piece illustrating P&O unperforated wrapper with added perfin adhesive.
2572	Questions & Answers	No author	Am. Phil., October 1979, 93, (10), 935	Illustration of Spanish revenue of 1918-36 with H perfin, no ident.
2573	Voorschriften voor Perfins in Nederland	Pot, H.J.	De Postzak, June 1981, (128), 49	Non-English (Dutch).
2574	Voorschriften voor Perfins in Nederland	Verhoeven, Jan L.	De Postzak, December 1985, (146), 93	Non-English (Dutch) except for one paragraph about the earliest uses of POKOs in the Netherlands (11.11.1915). Translated by Steve Netten.
2575	Valse Poko-Perforaties Gesignaleerd	Verhoeven, Jan L.	De Postzak, September 1984, (141), 538	Non-English (Dutch)
2576	Perfin Literature	Hungerford	Stamps and Foreign Stamps, March 1985, 93	Brief description of some of the then current books.
2577	The Geigler Archive	Rossiter, Stuart	GSM, October 1975, 6, (5), 82	Includes a letter from General Gordon suggesting the use of an S perfin.
2578	What Perfins Are	Hungerford	Stamps and Foreign Stamps, Febraury 1985, 45	Brief article about GB perfins and collecting them.
2579	Een P.T.T. lijst van der Nederlandse perfins	Pot, H.J.	De Postzak, December 1978, (118), 42	Non-English (Dutch)
2580	New Acquisitions	No author	National Postal Museum Review of '93, 6	See also 4256. Details of NPM acquistions during 1993, including a Sloper circular (illustrated) of around 1870, with GWR perfin.
2581	Sorting out the overprints on British stamps	Alderfer, David	Linn's Stamp News, 10 June 1996, 69, (3527), 32	Includes a basic description of commercial overprints and illustrates four of them. States that a complete collection would contain "over 350" !
2582	Postal History : An Evolving Concept	Lawrence, Ken	Am. Phil., April 1994, 108, (4), 318	Includes illustration of self addressed envelope of Nebraska Buick Auto Co. with 2c perfin NB attached.
2583	Letterbox	Everett, R.	Stamps, October 1985, 22	Letter to Editor illustrating five different random looking patterns used in 1941, possibly Sloper provisionals
2584	A Plea for Certain Official Stamps	Mackenzie, A.W.	Stamp Lover, March 1922, 14, (10), 290	Half page article about some of the neglected tyes of "officials", with reference to Australian official perfins, not much detail.
2585	Committee Meeting	No author	The Philatelist, 1 February 1870, 4, (20), 17	"A list of of the offices, using the South Australian lables impressed with surcharged initials, and the lettering adopted by each." Mostly seem to be quasi-governmental, e.g. Manager of Water Works. The nature of the "labels" and their use is unclear
2586	Membership Pages	Ludlow, Lewis M.	Great Britain Correspondence Club Quarterly Newsletter, July 1985, (24), 7	Illustration of the CANADIAN PACIFIC RAILWAY overprint on a "King George 2d", no useful information in the text.
2587	The History of Perfins	Hill, Dave	Stamp Magazine, November 1995, 61, (11), 85	Introduction and history of GB perfins up the present, includes an illustration of a Sloper letterhead with "Perforating Machines" perforated.
2588	Perfin Myths	Hill, Dave	Stamp Magazine, February 1995, 61, (2), 88	Introduction to GB perfins, includes discussion of rarity and prices. Also the fact that Sloper's perforated £600,000 worth of stamps in 1906.
2589	Stamps in Rolls 1907-25	Wiseman, W.A.	GSM, January 1995, 25, (8), 43 and February 1995, 25, (9), 43	Substantial article on coil stamps including the perfins used on them, with descriptions of Multipost, Fixo and Poko machines.
2590	Commercial Overprints	Tarrant, Richard	Stamp Magazine, August 1995, 61, (8), 54	A good introductory article, covering the relevant legislation, first and last use and outlining the cataloguing system.
2591	Incorrect overprints	Wilmot, Ken	Stamp Magazine, August 1995, 61, (8), 33	Letter to editor (following 2597) explaining that commercial overprints were not intended for postal use. States (incorrectly) that postal use was permitted just after decimalisation.
2592	Interessantes uas aller Welt	No author	Grune Sammlerwelt, 25 May 1930, 1, (3), 41	Non-English (German)
2593	Use of OS punctures as postage dues	Watson, Gary	The Australian Philatelist, Spring 1989, 2, (3), 41	Illustration of 1920 unpaid cover with 3d due collected using 3 Kangaroo 1d perfin small OS. No explanation for this use.
2594	Looking through the Perfin Society	No author	Stamp News, 1-14 May 1986, 6, (7), 53	Introductory article, covering O.U.S. overprints and perfins.
2595	Perforated Insignia - The Hole Story	Lawrence, Ken	Am. Phil., July 1995, 109, (7), 608	Introductory article, includes postal regulations, illustration of early use by S. Langford & Co.
2596	A Post Card's Hidden Secret	Spaulding, Chuck	Am. Phil., April 1995, 109, (4), 342	Article illustrating a postcard and a cover both with L/G/D perfins used by the Claypool Hotel, Indianapolis, USA. The initials are those of the manager L.G. Dressler.
2597	City Overprints	Hunt, Bryan	Stamp Magazine, July 1995, 61, (7), 85.	Short letter to editor enquiring about commercial overprints - followed up in 2591.
2598	Monaco - The Prince Albert I issues, 1891-1924 (Part 3)	Massler, Jerold M.	Collectors Club Philatelist, May-June 1995, 74, (3), 155	Long article on various aspects of Monaco stamps, including an illustrated list of perfins found on these issues.
2599	Answers To Correspondents	Portishead, W.W.E.	The Stamp Collector's Magazine, June 1864, 2, (6), 96	Paragraph stating that the O.U.S. overprint, then currently in use, was used by the Oxford Union Society. Also a copy of a manuscript letter of 15.11.1865 from the OUS apparantly turning down a request from a member of the public for O.U.S. overprints in exchange for ordinary stamps.
2600	The Western Australia Convict Stamps	Welfare, S.	The Stamp Collector's Magazine, November 1863, 1, (10), 157	Follow up to 2601. Continued in 2602. Letter to editor stating that Western Australia stamps were pierced before being supplied to convict establishments so that letter could be traced.
2601	Stamps Newly Issued, or First Described	No author	The Stamp Collector's Magazine, October 1863, 1, (9), 140	Mention of stamps from Western Australia being disfigured "by the abstraction of a round piece". Followed up in 2600 and 2602.
2602	Western Australia	No author	The Stamp Collector's Magazine, December 1863, 1, (11), 176	Assertion that the pierced convict stamps discussed in 2600 and 2601 should be included in collections as varieties (though they seem to have been since forgotten!).
2603	Perforated P Official Stamps	No author	Canal Zone Philatelic Notes, July 1953, 2, (2), 13	Short piece about official P perfins of Canal Zone - refers to but does not include a list by Claude Entwistle.
2604	The Peso Values of Argentina	No author	The Stamp Trio, September 1920, 1, (1), 1	Statement (unexplained) that the INUTILIZADO perfin was applied to remainders sold to the philatelic trade.
2605	Some Union Stamps Privately Perforated	Sydow, A. Hilton	South African Philatelist, January 1936, 12, (1), 4	Article giving a (non-illustrated) list of perfins on South African state and union stamps. Includes an extract from the Union Government Postal Guide.
2606	Part of - The Story of My Perfinned 25 Gld Netherlands East Indies Stamp	Marty O’Grady	Source unknown
2607	Australian Punctured Officials	No author	Stamp Collectors' Fortnightly, 12 December 1908, 14, (359), 194	Paragraph stating that the OS perfins were done at the Melbourne Government Printing Office.
2608	Australian Punctured Officials	No author	Stamp Collectors' Fortnightly, 2 May 1908, 14, (343)	Additions to the list given in p.180 of volume 13.
2609	Porto-Kontroll-Kasse	Heimans, John	??	Details and history of POKO machines as used in the Netherlands.
2610	Stamps Perforated with Letters or Devices on Official Authority and commonly known to collectors as Peforated Officials	Harris, Albert H.	Stamp Collectors' Annual 1944	Illustrated priced 1944 catalogue of official perfins of the world.
2611	Via Imperial	Hill, Dave	Stamp Lover, April 1994, 86, (2), 45	Article about Imperial Cable which illustrates an Imperial advertising slogan on a perfin cover of 1922 from J. Henry Schroder & Co., London.
2612	Sloper Experimental Cancels	Smith, Rosemary	Stamp Lover, April 1994, 86, (2), 42	Illustrated article about the Sloper experimental cancels on postcards, together with some of the other punches used at the time.
2613	Board of Trade Officials	No author	Morley's Philatelic Journal, December 1904, 5, (12), 97	Contemporary report of Board of Trade perfins on Edward VII 1d and 4d used 1.11.1904, with list of known values.
2614	Sudan Perforated Officials, Date of Issue	Griffin, Arthur T.	The Philatelic Circular, 1 April 1913, (26), 294.	Contemporary report of S.G. perfins being used on 19.12.12, earlier than first thought.
2615	Hong Kong Fiscals	No author	Morley's Philatelic Journal, May 1905, 6, (5), 41	First hand report of the use of SO and SD overprints for both postal and fiscal uses. The overprints were officially issued by the Treasury, the overprint signifying that the stamps were available for fiscal as well as postal use.
2616	Punctured Official Stamps - Should they be collected?	No author	Stamp Collectors' Fortnightly, 5 October 1907, 13, (328), 128	Brief run down of the known official perfins at the time. Followed up in 2617 and 2618.
2617	Regarding Punctured Officials	No author	Stamp Collectors' Fortnightly, 19 October 1907, 13, (329), 140	Following 2616, "Mr. Taylor" expresses his view that official perfins are not collectable. Further opinions are invited.
2618	Opinions as to Punctured Officials	No author	Stamp Collectors' Fortnightly, 2 November 1907, 13, (330), 148	Follow up of 2616, 2617. Mixed opinions of the collectablility of official perfins.
2619	Australian Punctured Officials	Horwood, N. C.	Stamp Collectors' Fortnightly, 14 December 1907, 13, (333), 180	List of the official perfins of Australia (contemporary). Includes GR (Government Railways) and GSB (Government Savings Bank)
2620+	A Study of Austrian Perfins	Pollak, Henry	Bulletin of the Austria Philatelic Society of New York, Volume 22, No. 1	26 page typewritten listing of Austrian perfins, most without illustrations.
2621	The Postage Stamps of Sudan	Brologie, Tim	Gibbons Stamp Weekly, 29 October 1910, 12, (18), 420	Article about Sudan officials in general, includes brief details of S.G. perfins.
2622	Twentieth Century Colonials	Armstrong, D.B.	Gibbons Stamp Weekly, 13 August 1910, 12, (7), 157	Section about C.S.A.R. overprints, part of a longer general article, used by Central South African Railways in 1905, apparantly withdrawn after post office objections.
2623	Editorial	Fulcher, L.W.	Morley's Philatelic Journal, April 1903, 4, (4), 29	Contemporary report of the first OS perfins replacing OS overprints. Speculates that the Board of Education in the UK may be about to adopt perfins.
2624	Editorial	Fulcher, L.W.	Morley's Philatelic Journal, October 1903, 4, (10), 77	Discussion of the problems of the official overprints then in use, and whether they would be less attractive to collectors if perforated rather than overprinted.
2625	Postage Discoveries	No author	Morley's Philatelic Journal, issue not known, 47	One paragraph regarding a Crete local of 1898 found on a different paper and with perfin 28, the purpose of which is not known. Another paragraph gives four previously unknown GB advertising rings.
2626	Sierra Leone	Beale, Philip O.	London Philatelist, July-August 1987, 96, (1135-6), 114.	Long general article on early Sierra Leone, includes illustration of 2/WIR perfin used by the 2nd West Indian Regiment.
2627	Bank and Insurance Perfins	Tarrant, Richard	Stamp Magazine, March 1994, 60, (3), 66.	Introductory article, well illustrated, dealing with perfins of banks and insurance companies. Includes some details of mergers etc. See also 1900.
2628	Great Britain Official Mail	Wiseman, W.A.	GSM, March 1994, 24, (10), 45	Article mainly focussing on overprints but includes the Office of Works perfins (not illustrated). Records mixed use in 1896 of perfins and overprints together.
2629	Holes in the Canadian Collection	Carstairs, M.W.	Stamp & Postal History News, 19 January 1981, 8	Introduction to Canadian perfins. Illustrates use of IC/R of Intercolonial Railway on registration stamps.
2630	The Philatelic Libel Action	No author	Stamp Collectors' Fortnightly, 9 February 1907, 12, (311), 223	Long report on proceedings in the Lowden vs. Ewen libel trial. Ewen had accused Lowden of selling forgeries, including C.S.A.R. overprints on Transvaal, in "Ewen's Weekly Stamp News".
2631	Concerning C.A. "Officials"	Bernstein, I.J.	Stamp Collectors' Fortnightly, 1 December 1906, 12, (306), 173	Article stating that the C.A. overprints were for fiscal use, i.e, simply commercial overprints. This is a reiteration of Bernstein's previously published views "on the authority of the Crown agents" following the sale of a pair of CA overprints for 16/-.
2632	Spotlight on Specialist Societies	No author	Stamp News, 24 November 1981, 23	Illustration of a 13.6.1981 Polish Philatelists Association in UK special cover with Machin perfin F/SP
2633	British stamps with Overprints	Dendy Marshall, C.F.	Stamp Collectors' Fortnightly, 13 August 1904, 10, (246), 95	Detailed argument why the ordinary GB collector should ignore all overprints and perfins, whether official, O.U.S. or others. Followed up in 2634.
2634	Overprinted British Stamps	Neophyte	Stamp Collectors' Fortnightly, 27 August 1904, 10, (247), 99	Response to the argument in 2633 (why the ordinary GB collector should ignore all overprints and perfins), this time in defence of the special status of official overprints. States that "As to stamps perforated by firms, no serious collector will collect these, since the stamps are not thereby restricted to a particular use" !
2635	"Overprinted British Stamps", "Are Perforated Officials Collectable?"	No author	Stamp Collectors' Fortnightly, 10 September 1904, 10, (248), 110	Response to 2633 & 2634, again defending the official overprints. Also a query about why the Board of Trade perfins are not listed in catalogues.
2636	Cash for Stamps	No author	Stamp Collectors' Fortnightly, 2 January 1904, 9, (230)	Contemporary report of a change in GPO regulations so that mint stamps would be redeemed only when £1 worth or more are presented at a time, with the commission doubled to 5%. This was welcomed as reducing pilfering of stamps from companies.
2637	Tasmanian Treasury Stamps	Giles, Alfred H.L.	Stamp Collectors' Fortnightly, 26 September 1903, 9, (223), 119	Contemporary brief report on the T perfins of Tasmania.
2638	Initials on the back of Postage Stamps	No author	Stamp Collectors' Fortnightly, 15 August 1903, 9, (223), 120	Contemporary report on Everett's gaining permission for underprinting from the GPO, includes extract from the GPO letter.
2639	Concerning Australian stamps perforated OS	Hul, A.F. Basset	Stamp Collectors' Fortnightly, 28 March 1903, 9, (210), 14	Extracted from "Australian Journal of Philately", this short piece expresses the opinion that OS perfins have no more status than private perfins.
2640	CAVE overprint	Loving, Sam P.	Am. Phil., November 1960, 74, (2), 108; January 1961, 74, (4), 264; February 1961, 74, (5), 326	Letter enquiring about the the status of CAVE overprints and the responses pointing out its private nature.
2641	A Perfinned Envelope	Pritt, B.A.	London Philatelist, April 1993, 102, 111.	Ilustration of an 1865 cover to Royal Bank of Scotland with R in star perfin through the envelope, clear of the stamp.
2642	Perfins Club Thriving on 50th Anniversary	Olcheski, Bill	Am. Phil., April 1993, 107, (4), 320	Article outlining the history of the Perfins Club.
2643	Forgeries and Fantasies of the Australian States	Wynn, Hugh	Am. Phil., November 1992, 106, (11), 1008	Long well illustrated article about all sorts of fakes including OS perfins and many examples of OS and departmental overprints.
2644	Nordia '92	No author	Stamp Magazine, October 1992, 58, (10), 72.	Article on the Nordia '92 exhibition, including 2 miniature sheets perfin NO 92 due to be sold at the exhibition.
2645	Privat-perforerede frimaerker	No author	Dansk Filatelistisk Tidsskrift, January 1992, 53, (1), 10.	Non-English (Danish)
2646	News from the Philatelic Commissions	Bohne, Werner M.	Flash, March 1992, (39), 19	Description of various fakes, including OS perfins of Australia (illustrated).
2647	Pen-Marking Postage Stamps in India	No author	Stamp Collectors' Fortnightly, 28 September 1901, 7, (171)	Discussion of how the practice of pen marking stamps on letters presents an obstacle to a combined postage and revenue stamp issue for India.
2648	A County Council's Stamp	No author	Stamp Collectors' Fortnightly, 30 March 1901, 7, (158), 16.	An extract from a report of Southampton County Council recommending the purchase of a machine for perforating the council's stamps with S.C.
2649	Les bonnes initiales	Szabo, Andor	Timbroscopie, September 1992, (94), 96.	Non-English (French). Letter to editor regarding a 1f50 airmail (of the type perforated EIPA 30) perforated CNE. Editor's reply pointing out the user is Comptoir National d'Escompte and so does not have the special status of the EIPA 30 perfin.
2650	Summer Olympics	Wilcock, Bob	Stamp Magazine, August 1992, 58, (8), 53.	Details of two special perfins used at exhibitions in the run up to the 1992 Olympics in Barcelona. The perfins are BARNA 92 and B-92 and EMPORIES 92 with torch
2651	Queensland high values	Griffiths, Alan	Stamp Magazine, July 1992, 58, (7), 61.	Detailed article on Queensland high values. Includes discussion of the OS perfins, how they might have been produced on large format stamps, and notes that the first supplies of OS perfins were taken into stock on 7.8.1905.
2652	A Board of Trade stamp!	No author	Stamp Collectors' Guardian, 1 November 1899, 1, (2), 16.	Contemporary report of the Board of Trade perfin used on the Jubilee 2 1/2d on a cover to the Berlin Consul-General. Follwed up in 2653.
2653	The Board of Trade Stamps	Raynor, P.E.	Stamp Collectors' Guardian, 1 November 1899, 1, (3), 19.	Follow up to 2653. List other known Board of Trade perfinned stamps with dates of use.
2654	Abreviations mysterieuses	Sangnier, Pierre	Timbroloisirs, April/May 1992, (38), 104.	Non-English (French). Letter to editor about two 25c Sower stamps with perfin OBR and HRC, with reply giving some information about the users.
2655	An Unrecorded Maruishi Perfin	Alpern, Eugene D.	Japanese Philately, 46, (6), 260	Illustration of a cover with the ident. of Maruishi Shokai Ltd. with a previously unrecorded type of perfin.
2656	Carriers	Williams, Norman	Stamp Magazine, March 1992, 58, (3), 104	Article on "Carriers" includes mention of Advertising Rings, with illustration of Smith Elder 4d dated 24.6.1867.
2657	The Philatelic Steinway	Spencer, Albert	Am. Phil., November 1991, 105, (11), 996.	Article on Steinway & Sons illustrating many philatelic artefacts, including the S&S perfin used at the company's Hamburg office on a 1922 cover. The article notes that Steinway did not use perfins in the US or Britain.
2658	Do You Know about Perfins, Spifs or Punchies or why they punched holes in stamps?	Van Lint, Victor J.	Am. Phil., September 1959, 72, (12), 899.	General introductory article, focussing mainly on GB and US, illustrated. Written at a time when perfins were largely ignored.
2659	Hong Kong, December 1941	No author	Japanese Philately, October 991, 46, (5), 232	Article on the Japanese occupation of Hong Kong, inclused mention of HSBC and their perfins. States that these perfins can be found on pre-war Japanese stamps used by Japanese branches of the bank. The HSBC headquarters were taken over by the Japanese government.
2660	Great Britain : Sloper's Numeral Perfins	Hill, Dave	Cinderella Philatelist, January 1992, 32, (1), 15.	Letter to the Editor about numeral perfins, suggesting they may have been used for National Insurance perfins and appealing for more information.
2661	Surcharges maison	Nesser, Yves	Timbroscopie, January 1992, (87), 9	Non-English (French). Letter to editor asking about GB commercial overprints. Reply points out that their use was fiscal.
2662	A travers la greve	Augustin, Jean-Michel	Timbroscopie, January 1992, (87), 10	Non-English (French). Letter to editor with reply, apparently about the value of perfins.
2663	Plaidoyer pour un non perfore	Bieber, Norbert	L'Echo de la Timbrologie	Non-English (French). Article apparently about the 1f50 airmail stamps used at EIPA 30 without the special perfin. Illustrates a block of 4 with perfin in the margin butnot on the stamps themselves.
2664	Twixt Editor and Reader	Summers, J. Seymour	Stamp Collectors' Fortnightly, 10 July 1897, 3, (73), 215	Contemporary report from Bombay of the use of "On D.B.S.", "L.F.S." and L in circle overprints, apparantly used by Local Fund Boards or District Boards.
2665	Spring Meeting	No author	Am. Phil., March 1975, 89, (3), 268.	Report on the forthcoming ARI/PEX perfin for the ARIPEX exhibition, with details of how to obtain covers.
2666	Numeral, Design and Monogram Perfins	Tarrant, Richard	Stamps, January 1992, 12, (1), 6	Article on numeral, design and monogram perfins and their users, illustrated.
2667	C.W. on early India	Olson, George	Linn's Stamp News, 12 August 1991, 64, (3275), 46	Letter to editor enquiring about a late Victorian Indian stamp with C.W. overprint. The reply states this was for Court of Wards, one of 40 local overprints in use at the time. States that such overprints were banned after 1905.
2668	Perfin Questions	Anderson, Gilbert	Linn's Stamp News, 15 July 1991, 64, (3271), 42	Letter to editor about a double perfin GA. The reply points out that the user is General Accident but that the double strike has no real signficance.
2669	Firma-perforaties	Pot, H.J.	Filatelie Informatief 17, 1981	Non-English. Long well illustrated article, mainly about Netherlands.
2670	Proprietary Vending and Affixing Machine Coils : A Postal History	Baird, James G.	Collectors Club Philatelist, November-December 1991, 70, (6), 399	Long article on American affixing machines, including Schermack and Mailometer perfins. Includes a cover with Schermack perforated dummy stamp used by mistake.
2671	Memories of a Stamp Dealer	Jennings, Charles	Journal of the Philatelic History Society, October 1990 / January 1991, (25), 341	A long article of reminiscences by the Society's former president Charles Jennings. Mostly about his time as a stamp dealer, the article also incudes a section about perfins and his motivations for collecting them.
2672	The Perforated Cross	MacDonald, Harold F. & Rehm, Larry	The Netherlands Philatelist, March 1984, 14, (5), 128.	Illustrated article regarding the privately produced Red Cross perfin and numbered underprint produced in 1944. 200,000 copies were produced and sold at a premium for the Red Cross.
2673	Mr. Hausburg's Researches in Australia	Hausburg, L.L.R.	Stamp Collectors' Fortnightly, 16 December 1905, 11, (281), 187	Contemporary report following a visit to the New South Wales printers, including mention of the OS perforators being converted from normal comb perforators. Extract from "London Philatelist"
2674	New South Wales	No author	Stamp Collectors' Fortnightly, 4 November 1905, 11, (278), 151	Contemporary report of stamps perforated OS/NSW
2675	Should Punctured Officials be collected?	No author	Stamp Collectors' Fortnightly, 23 September 1905, 11, (275), 122.	Short discussion of the merits of perfinned officials.
2676	Punctured Stamps of Australia	No author	Stamp Collectors' Fortnightly, 27 January 1906, 11, (284), 211.	Extracted from "Australian Philatelist". One of many discussions of whether or not the official perfins are worth collecting.
2677	Notes on New Issues and Varieties	No author	Stamp Collectors' Fortnightly, 6 August 1921, 27, (689), 264.	Contemporary reports of OS perfins.
2678	The C.S.A.R. Stamps	Tamsen, Emil	Stamp Collectors' Fortnightly, 3 September 1921, 27, (691), 290.	Extract from Quarterly Review of Philately, 15 June 1921, 1, (2). Report based on a conversation with a Pretoria railway official in 1905 that the C.S.A.R. overprints were withdrawn owing to abuse, and then only ordinary stamps were used.
2679	The Origin, Development and Usage of British Postal Stationery in the Nineteenth Century	Huggins, Alan K.	Collectors Club Philatelist, September-October 1991, 70, (5), 361.	Illustrations of the Sloper Orb cancel used in London together with some other punches and clips, part of notes on a display presented to the Collectors Club on 5 June 1991.
2680	The Unification of Stamps	Mackey, James	Stamps, September 1991, 11, (9), 42.	Article concerning efforts to reduce the variety of British revenue stamps. Includes brief mention of commercial overprints.
2681	Full Name Perfins	Tarrant, Richard	Stamps, September 1991, 11, (9), 79.	Introduction to the subject, illustrated, includes the background to perfins in general.
2682	A Relic of the "Grand Tour"	Robinson, P.E.	Stamp Mail, May 1991, 4, (5), 175.	Short piece about Thomas Cook, illustrated with Egyptian stamps perfin TC/&S used in 1936.
2683	Index to Newsletters	No author	Royal Philatelic Society, London. Australian States Study Group Index to Newsletters 1 - 35 (July 1970 - November 1980)	Index to Newsletters, giving several references to perfins, both official and private.
2684	Buddy System Used to Ship Parcels to America	Grimaud, Bill	Am. Phil., May 1991, 105, (5), 438.	Illustrated article covering the refusal of the Philippines post office to allow Lambert Sales Company to use a L.S.C. perfin but agreeing to supply the company with distinctive imperforate stamps.
2685	Handwritten list	No author	Unpublished manuscript	Some refererences to Australian perfin articles in the "Australian Informer" in the 1960s.
2686	A Little About V.L. and the Firm’s History	Nielsen, Ingolf	Scandinavian Contact, 16, (9), Dec 1996, p. 412-414 & 16, (10), March 1997, p. 434	Reprinted from the catalogue for NORDATLANTEX 96. Translated by Bob Johnson.
2687	The Perfins of Greece	Kirlakitsis, Leonidas	Philatelic Echo, 1, (1), July-Aug 1970, p.10-11
2688	Comment on O.H.M.S. Article	Bayley, Colin H. & Brown, W.J. & McNeil, C. Russell	BNA Topics, May 1951, 8, (5), 134.	3 letters to the Editor responding to an article on the use of Canada OH/MS perfins, published in the BNA Topics, April 1951, 8, (4) (Lib. No. 2691)
2689	On His Majesty's Service	Persinger, Vern	BNA Topics, May 1951, 8, (5), 113.	Various notes on the Canada OH/MS perfins, particularly plate number blocks.
2690	How About on OHMS-G Group in BNAPS?	Lewis, Gordon P.	BNA Topics, April 1951, 8, (4), 79.	Short piece suggesting the formation of a group for studying the OHMS and G officials
2691	On His Majesty’s Service	Persinger, Vern	BNA Topics, April 1951, 8, (4), 95.	Article focussing on fakes of the OH/MS perfins. Includes the suggestion (refuted in 2688) that no government department in Ottawa used the perfins.
2692	More WGJ Perforations	Grimmer, A.K.	BNA Topics, February 1950, 7, (2), 26.	Reply to 2696 regarding WJG perfin on Small Queen stamps, reporting its use on the 1c value and refuting the suggestion that the user was W.J. Gage.
2693	Revised List of Candian O.H.M.S. Issues	Gordon, W.C.	BNA Topics, November 1950, 7, (10), 247.	Illustration of the two types of OH/MS perfin with list of known values. Also a discussion of which Government offices used the perfins.
2694	Private Perforated Small Queens	Crosby, L.S.	BNA Topics, June 1951, 8, (6), 153.	Follow up to 2696. List of perfins IC/R and WJG on Small Queens stamps.
2695	Notice Re. Postage Stamp Perforated O.H.M.S.	No author	BNA Topics, October 1948, 5, (9), 141.	Notice that O.H.M.S. perfins are now available from the Philatelic Division of the Post Office.
2696	Canadian Topics	Hurst, Peter J.	BNA Topics, December 1949, 6, (10), 241.	Reprint from Weekly Philatelic Gossip. The article is mainly concerned with normal separating perforations but includes a section on the small Queen 5c perfin WJG (illustrated). Followed up in 2694 and 2692.
2697	Canadian O.H.M.S. Stamps	Garrett, C.B.	BNA Topics, October 1947, 4, (9), 115.	List of stamps known used with OH/MS perfins, including the orientation (inverted, reversed etc.)
2698	More About Canadian O.H.M.S. Stamps	Pollock, F. Walter	BNA Topics, December 1947, 4, (11), 142.	Response to 2697 pointing out the irrelevance of orientation of perfin and suggesting earlier dates of use.
2699	A Guest Column – Perfin Study Group	Van Oudenol, P. D.	BNA Topics, September 1956, 13, (8), 192-4	Various comments on Canadian perfins, includes an illustration of a Sun Life Assurance Co. SL/A Co perfin on cover dated 1902.
2700	Precancelled Perfin Catalog	Randall, John	Precancel Forum, December 1990, 51, (12), 19.	Appeal for information to fill gaps in the draft of the Precancelled Perfin Catalog.
2701	Whole Name Perfins	Sterckx, Alan	Stamp Collecting, 5 May 1983, 147, (6), 180.	See also 1092. Well illustrated article on full name perfins of GB. Asks for info on some. Followed up in 2702.
2702	Full Name Perfins	Powell, R.W.	Stamp Collecting, 2 June 1983, 147, (10), 309.	Reply to 2702. Gives ident. for HERTZ and SPENCER.
2703	Bring on the Perfins, No Tartar Sauce	Wunderly, Kathleen	Am. Phil., November 1999, 113, (11), 1038	Article about one collector's experience of perfin collecting, not very cohesive.
2704	Philately for Fun	McQueen, Ian	Stamp Collecting, 3 December 1981, 143, (10), 675.	Short illustrated article on some perfins of Levant.
2705+	A Catalogue of GB Commercial Overprints - Part 2 - Banking & Insurance	Bonney, J.D. & Lane, D.J.	BCOSC 1990
2706+	A Catalogue of GB Commercial Overprints - Part 3 - Local Government	Bonney, J.D. & Lane, D.J.	pub. 1994
2707+	Catalogue of United States Perfins 1908-1998	Randall, John	Perfins Club, 1998
2708+	Italian Perfins Catalogue	Bertazolli, E. & Ermentini, B.	Vaccari, 2000.	Illustrated catalogue of perfins of Italy. A very professional publication with a detailed introduction with colour plates - pp 253. See 2737.
2709+	Number One - A History of the firm Gregory, Rowcliffe & Co.	Davis, Patrick	Gregory, Rowcliffe & Co., 1984.	A history of perfin users Gregory, Rowcliffe & Co., solicitors.
2710+	Philatelic Literature by Subject No.5 - Perfins	Nieuwland, C.	pub. 2000	A basic listing of literature on perfins, including items not in the library. pp 8
2711+	Advertising Rings	Arundel, Richard	pub. Richard Arundel, 2000	Priced illustrated list of advertising rings on GB postal stationery - pp 40
2712+	Security & Cancelling Overprints of Australia	Magee, B.	pub. 2000	Illustrated catalogue of commercial overprints on postage and revenue stamps of Australia.
2713+	Katalog over danske firmaperforeringer 2001	Koster-Kofod, O. & Hansen, O. & Mathiesen, K.	Danish Perfin Society, 2001	Illustrated catalogue of Danish perfins with identities and dates of use where known. Written in Danish but with instructions for use also in English. Includes a price guide in Danish Kroner.
2714+	Perfins of Malaya	Lavender, M.	pub. 2002	A comprehensive illustrated catalogue of all known perfins of Malaysia with identities where known. Inlcudes a price guide. pp 88
2715+	The Private Perfins of Switzerland	Baer, M.	Pub. Swiss Postal Stationery Collectors Society	A comprehensive illustrated catalogue of all known perfins of Switzerland with identities where known. Includes a scarcity guide. pp 240 in French, German and English.
2716+	The World Perfins Catalog - European Section	Schwerdt, R.	Perfins Club, 1994	1994 - Robert Schwerdt - The Perfins Club - pp 70
2717+	The World Perfins Catalog - Asian Section	Schwerdt, R.	Perfins Club, 1996	1996 - Robert Schwerdt - The Perfins Club - pp 56
2718+	The World Perfins Catalog - African Section	Schwerdt, R.	Perfins Club, 1995	1995 - Robert Schwerdt - The Perfins Club - pp 50
2719+	Katalog perfinov z uzemia Slovenska	Fejtek, V. & Marencik, J. & Kubenka, J. & Kotek, T.	pub. 1997	An illustrated catalogue of perfins used in Slovakia (on stamps of the various states that have occupied or incorporated Slovakia) with an introduction in English. pp 68
2720+	KGV Silver Jubilees - updated edition	Greenhill, G.E.	Perfin Society, 2002	Updated version of 2030.
2721+	First with the News– The History of W.H. Smith 1792-1972	Wilson, Charles	pub. Jonathon Cape, 1985	A history of W.H. Smith, stationers and booksellers from 1792 to 1972. Includes some details of their relationships with the GPO and railway companies.
2722+	The Oxford University Press – An Informal History	Sutcliffe, Peter	Oxford University Press, 1978.
2723+	Katalog der Deutschen Firmenlochungen	Hillman, Hans D. & Wirth, A. & Hammerman, H.	Arbeitgemeinschaft Lochungen 1995	A very large illustrated catalogue of German perfins with identities where known. The general approach is similar to the Perfin Society New Illustrated Catalogue for GB). Includes an introduction in English.
2724+	The Perfin Society Exhibit - An Illustrated History of Great British Perfins	Gault, R.	The Perfin Society, 2000, pp 64.	A black and white draft of the book based on the display at the Stamp Show 2000 exhibition. See 2727 for the published colour version.
2725+	Handbook of Australian Private Perfins	Mathews, J.	John Mathews, 2003	Comprehensive illustrated catalogue, with identities, for perfins of Australia. Includes an index by company name.
2726+	The Railway Letter Stamps of Great Britain & Ireland 1891-1947	Lacy-Spencer, Roger de	Moorside Publishing, 2000	An illustrated catalogue of GB railway letter stamps. Does not include any perfins, but does have lots of background to various railway companies, many of which were perfin users. Includes route maps. See Bulletin 330 for review. pp 112
2727+	The Perfin Society Exhibit - An Illustrated History of Great British Perfins	Gault, R.	The Perfin Society, 2004, pp 64.	Based on the display at the Stamp Show 2000 exhibition. Full colour.
2728+	Edwards-Gault Catalogue of Great Britain Perfins (A-C)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2729+	Edwards-Gault Catalogue of Great Britain Perfins (D-G)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2730+	Edwards-Gault Catalogue of Great Britain Perfins (H-K)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2731+	Edwards-Gault Catalogue of Great Britain Perfins (L-O)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2732+	Edwards-Gault Catalogue of Great Britain Perfins (P-T)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2733+	Edwards-Gault Catalogue of Great Britain Perfins (U-Z)	Edwards, T.A., Gault, R., Lucas, B.C.	The Perfin Society, 1986-1993	Illustrated catalogue of all known GB perfins. See also 1713.
2734+	Edwards-Gault Catalogue of Great Britain Perfins - Updates	Gault, R.	The Perfin Society, 1993	Illustrated catalogue of all known GB perfins. See also 1713.
2735+	Aleksander Stocki, Enigmatic Philatelist	Reader, Roy E. & Kay, George K.	Roy E. Reader, 2004	A survey of the life of Aleksander Stocki, who was involved in the production of WP perfins on French stamps, supposedly for the Polish War Office in Paris. See Bulletin 331 for review. pp 64.
2736+	The "Tomkins" Catalogue of Identified GB Perfins - 10th Ed	Gault, R.	Perfin Society, 2004	Unillustrated listing of all identified GB perfins.
2737+	Italian Perfins Catalogue - Update 2005	Bertazolli, E. & Ermentini, B.	Vaccari, 2005.	An update to 2708, the illustrated catalogue of perfins of Italy. A separate bound paperback book with illustrations of new dies and another new information. Also a packet of loose transparent sheets printed with illustrations of all known Italian perfins. pp94 + transparencies.
2738+	De "POKO" perforaties van Belgie	Hammink, R. J.	Perfin Club Nederland, 1995	Illustrated catalogue of Belgian POKO perfins. In Dutch. pp 31.
2739+	Michelius Postwertzeichenaufklebemachine und Barfrankierungsmachine	Hammink, R. J.	Arbeitsgemeinschaft Lochungen	An explanation of the Michelius stamp affixing and perfinning machines, including technical drawings and patents. In German. pp42. (100g / 4oz)
2740+	Versuchsmarken für Dapag-Efubag und POKO	Müller, Horst	Arbeitsgemeinschaft Lochungen, 2003	An illustrated catalogue of the testing labels used in the POKO and Dapag-Egubag stamp affixing machines and the perfins found in them. In German. pp32. (100g / 4oz)
2741+	Timbres Perfores de France - 3rd Edition	Dedecker, R., Herbert, M., Janot, R., Leger, G.	Ancoper, 2006	A comprehensive illustrated hardback catalogue of the perfins of France, with identities and some colour illustrations. In French and English. pp 294. (1500g / 3lb)
2742+	Osterreichische Firmenlochungen in deutschen Werteichen 1938-1945	Sand, Gerhard	Gerhard Sand, 2007	Illustrated catalogue of Austrian perfins used on German stamps during the period 1938-1945 when Austria used German stamps. With user identities, dates of use and, in most cases, colour illustrations of stamps, covers or pieces. Illustrations are 50% size, but the catalogue is accompanied by acetate sheets with full size reproductions of all the perfins. In German - pp20.
2743+	Australian Official Perfins - 2nd Edition	Andersen, David	Perfin Club of New Zealand & Australia, 2007	Illustrated catalogue of Australian state, commonwealth and local government official perfins, with details of the organisations using them, dates of use and list of stamps known perfinned. pp 240. See 5654 and 5657 and 5732 for updates.
2744+	Timbres Perfores pays d'Expression Francaise & Alsace Lorraine	Dedecker, R., Herbert, M., Tschaen, E., Leger, G.	3rd Edition, ANCOPER, 2007	Illustrated catalogue of French overseas territories and Alsace & Lorraine, with identities where known, and scarcity ratings. Also includes French occupation of Germany. In French, but the introduction is also in English. pp 106. Approx. 14oz / 400g.
2745+	Hungarian Perfins	Lente, István	pub. 2007	Comprehensive illustrated catalogue of Hungarian perfins. In Hungarian and English. See Bulletin 253 page 10 for a review of this book.
2746	Sloper’s Records – Book 1 – Identities Index	Steere, S.	April 1993, pp. 23	Data on Sloper post-World War II perfin and commercial overprint dies, taken from the company's records.
2747	Sloper’s Records – Book 2 – Identities Index	Steere, S.	April 1993, pp. 53	Data on Sloper post-World War II perfin and commercial overprint dies, taken from the company's records.
2748	Samuel Montagu & Co	Louis, Karl	GBPS Newsletterm Nov/Dec 2003	An 1866 GB cover is illustrated bearing to stamps, each with a boxed SAMUEL / MONTAGUE / &CO underprint.
2749	Perfins (Cyprus)	Stanford, Tony	Cyprus Circular Post, 16, (5), Aug 2007
2750	Perfins or Spifs	No author	The Stamp Lover, Oct/Nov 1952, p. 81	A 1952 report of the founding of the U.S. Perfins Club.
2751	Collectors’ Forum – Security Overprint	Tyler, Brandon	Linn’s Stamp News, August 8, 2005
2752	Protective Underprints & Overprints	Donaldson, Andy	www.underprint.com	Illustrated listing of overprints and underprints on stamps used postally.
2753	A Perforated Insignia Coding System	Tomasson, Gary & Johnson, Jon	BNA Topics, Sept-Oct 1981, 38, (5)	The minute differences in the five 5 hole OH/MS perfin dies used for Canadian official stamps are identified as an aid to detecting forgeries.
2754	How Perfins came to be…	Whitehead, Dr A.	BNA Topics, Nov 1970	A selection of letters to newspapers regarding stamp thefts, from the period shortly after the introduction of perfins.
2755	Perfins of the 1967 Centennial Issue of Canada	Hodges, David M	BNA Topics, May-June 1977
2756	A Perfinned Postage Due	Dicketts, Michael	BNA Topics, Sept-Oct 1986
2757	The other side of the Perfin Story	Editor	BNA Topics, June 1954, 11, (6), 167-168
2758	Perforated Initials - Canada 5-Hole O.H.M.S.	Jackson, William T	BNA Topics, Sept. 1954, 11, (8), 247-250
2759	Perfin Design Type T.5-TP and T	Benningen, Jack	BNA Topics, Sept 1978, 35, (5),
2760	Canadian Stamps with Perforated Initials	Perfin Study Group	BNA Topics, Jan. 1955, 12, (1), Feb. 1955, 12, (2), March 1955, 12, (3), April 1955, 12, (4), May 1955, 12, (5)	An early illustrated listing of Canadian perfins.
2761	British Stamps Punctured for use by Department of the High Commisioner, London	Thornton, Mary E.	SEPS, Nov. 1968- reprinted in The Bulletin 23, (8)
2762	1941 – Fund for Queen Elizabeth’s Concert Hall – Belgium	No author	Unpublished manuscript and photos	A 1941 Belgian miniatue sheet perfinned with the Queen's monogram is illustrated and discussed.
2763	Mayors Court – Great Britain Revenues	Barefoot, J.	Great Britain Revenues, 1989, J. Barefoot Ltd.
2764	W. O. Hawkins Interview – J Sloper & Co Ltd	Vallencey?	Unpublished note, 7th October 1942	Handwritten record of a conversation with W. O. Hawkins, a director of J. Sloper & Co. in 1942.
2765	Festival of Stamps	Sole, Brian	Philatelic Exporter, May 2006, 62, (1), 24
2766	Perfins “Finger” Chicago Politico	No author	Linn’s Wekly Stamp News, Nov. 26, 1962	A report of stolen “I WILL” perfins (used by Chicago City Hall) being used to send out election communications.
2767	Lot 240 – Novelli & Co Embossed plate 134	No author	Peter Mollett Philatelist, May 2000	An 1873 piece bearing stamps embossed NOVELLI & CO / MANCHESTER is illustrated.
2768	Study of the NZIC and NZL Patterns used in Australia	Coath, David	Ex www.perfins.com.au	Perfins of the New Zealand Insurance Company Limited (NZIC) and the New Zealand Loan and Mercantile Agency (NZL) used on Australian stamps are recorded.
2769	Czechoslovak Perfins	Verner, J. J.	Czechoslovak Specialist, Feb 1973, 35, (2), p19
2770	Collecting Perfins	Chesloe, Charles	Czechoslovak Specialist, Sept 1992, 54, (2), p13
2771	Private Overprints (ex 1681a)	No author	The Japan Stamp Group, (14), 2, Oct. 1992
2772	Private Overprints (ex 1682a)	No author	The Japan Stamp Group, (13), Nov. 1972
2773	Our Perforated Initial Stamps – Finland (ex 1265a)		Publishing details unknown
2774	Queen Victoria 2/- Blue & Brown	Gault, Roy	Perfin Society Survey	A listing of all known perfins on the 1867 2s blue and 1880 2s brown.
2775	Queen Victoria 3d & 6d Surcharge Issue	Gault, Roy	Perfin Society Survey	A listing of all known perfins on the 1883 3d on 3d and 6d on 6d overprints.
2776	Queen Victoria 8d, 9d, 10d Surface Printed Issues	Gault, Roy	Perfin Society Survey	A listing of all known perfins on the 1867 9d and 10d and on the 1876 8d issue.
2777	Sudan – A Plea for the Punctured Officials	Seymour Thompson, G	Stamp Collecting, April 29, 1933, 11, (5), p122
2778+	Tomkins Catalogue of Identified Perfins 3rd Edition		Perfin Society
2779	GB Perfins – Earliest Surving and Longest Lived Dies	Gault, Roy	Perfin Society, May 2003
2780+	Tomkins Catalogue of Identified Perfins 8th Edition	Gault, Roy	Perfin Society 1998, pp. 391
2781+	GB Line Engraved Perfin Catalogue – Part 1	Gault, Roy Skinner, Harry & Harp, Maurice	Perfin Society 2006, pp. 90
2782+	Perfins of the United Kingdom – Part 1	Everett, R.	Published by author - 1986 pp. 42	A privately produced basic illustrated catalogue of those GB perfins with known identities.
2783+	GB Official Perfins	Turnbull, Jeff	2006 pp. 106
2784	The I&R/M Perfins of I & R Morley	Gault, Roy	Perfins Society, Oct 2004	Detailed study of the various I&R/M perfins on GB stamps, including modifications and positioning of the slightly different dies in multiheaded machines.
2785+	Perfins on Regional Issues	Gault, Roy	Perfin Society, 2006
2786	The Cinderella Scene – Portraits in the Picture	Hill, C. W.	Stamps April 1982 p. 95-96
2787	Great Britain HMSO Official Stamps	Lucas, Betty & Edwards, Tony	Stamp Magazine October 1983, p 60-61
2788	Cummins – 100 Years of Security	Cutler, Douglas J	Publishing Details unknown
2789	About Stamp Collecting – Perfins	Doherty, Bernard	Stamp News, Sept 1997 p. 38-39
2790	Perfin Abstracts	Birch, Brian	S.E.P.S., 1975 pp. 218
2791	The “POL” Perfins of Germany	Holdeman, Bob	Blue Lamp, Winter 1987 p. 59-68, & Spring 1988 p. 98
2792	Police Perfins in Denmark	Hansen, Eric	Blue Lamp, Summer 1988, p. 3-4
2793	German “POL” Perfins – 1927 Use Confirmed	No author	Blue Lamp, Autumn 1988, p. 63
2794	Sierra Leone, The 2/WIR Perfin	Beale, P O	Cameo, Vol 2 July 1983 p. 179
2795	Sierra Leone, The 2/WIR Perfin	Walton, Frank	Cameo, Vol 5, June 1996, p. 154
2796	National Stamp Day	Sole, Brian	Stamp Mail, May 1988, p. 24-25	A list of philatelic items associated with National Stamp Day between 1974 and 1988, including the perfins produced in 1975-77.
2797	Beginners Please!	Horowicz, Kay	May 1969, p. 529
2798	Beginners Please!	Horowicz, Kay	Sept. 1967, p. 777
2799	Perfins can be specialized	No author	Linns Weekly News
2800	1887 1/2d on amazing printed envelope	No author	Great Britain Postal Auctions sale on 27 April 2001.	An unusual tartan printed QV book post cover with T&S perfin of Treloar & Sons is illustrated.
2801	The 1957 G,B, Scout Jamboree in Rolls	Myers, R.J.	Stamp Collecting, 14 December 1967, 825.	Article on the rolls of 1957 Jamboree stamps produced for producing FDCs. No perfins.
2802	The Hong Kong Surcharge D.P. (check box)	No author	Stamp Collectors' Fortnightly, 2 January 1904, 9, (230)	Paragraph suggesting (wrongly?) that this overprint was used by the Hong Kong Daily Press. See 2615 for a contradictory report from the year 1905.
2803	Canadian Pacific Railway Overprint	Editor	GBCC Quarterley Newsletter - July 1985, No. 24, p. 7, Oct 1985, No. 25, p. 17	A CANADIAN PACIFIC RAILWAY commercial overprint on a GB stamp is illustrated.
2804	Appeal for Victorian dated dies	Harp, Maurice	Perf. Soc. Bull., Feb 2004, (328), supplement	A list of confirmed Sloper dies used in GB 1868-1880. Includes Sloper die numbers, die configurations, dated reported and plate numbers. With some notes on the introduction of different ampersand types. pp4
2805	A "COY" Die?	Hill, Dave	Perf. Soc. Bull., Feb 2004, (328), 4	4 examples of HB/&Coy (H0580.01) on GB stamps are reported. The question is posed, is this the only die to use the Coy abbreviation for company.
2806	Pryce Jones' Newtown	Johnson, Jon	Perf. Soc. Bull., Feb 2004, (328), 6-7	Follow up to Bulletins 232 and 234. Illustration of a 1911 advert for Pryce Jones new department store in Calgary, Canada. They are thought to have used the perfin PJ.
2807	The Line Engraved "Full House"	Gault, R.	Perf. Soc. Bull., Feb 2004, (328), 8	A list of 35 different GB dies known used on all four line engraved values. Also a tally of the number of dies known on each of the four stamps.
2808	Perfin Users & Distinctive Postmarks	Bavin, Mike	Perf. Soc. Bull., Feb 2004, (328), 9-11	An article on perfin users in the Lincolnshire area, "the limestone rim of England's bread basket". Includes Ruston, Proctor & Co; Ruston, Proctor, Calyton and Shuttleworth in Lincoln; Ruston & Hornsby in Grantham; Peter Brotherhoods, Peterborough; Baker Perkins in Peterborough; Ransomes, Sims and Jefferies in Ipswich; Marshals Sons & Co in Gainsborough.
2809	London Streets and Street Furniture	Gault, R.	Perf. Soc. Bull., Feb 2004, (328), 12-15	Ezamples of perfins containing the abbreviation St for street. Also the perfins of three firms who manufactured post boxes : Andrew Handyside & Co. Ltd of Derby; Carron Company, Falkirk; McDowall Steven & Co Ltd of Milton Ironworks, Glasgow.
2810	Joseph Sloper and the British census (and an Australian connection)	Mathews, J.	Perf. Soc. Bull., Feb 2004, (328), 16-20	Follow up to 295.06. Various information on Joseph Sloper and his family from the 1881 census.
2811	Mather & Platt Ltd, Manchester	Gault, R.	Perf. Soc. Bull., Feb 2004, (328), 21-22	A history of Mather and Platt and their Salford Iron Works and Park Works in Manchester.
2812	Threlfall's Brewery Co Ltd	Gault, R.	Perf. Soc. Bull., Feb 2004, (328), 23	The history of Threlfall's Brewery in Manchester, acquired by Whitbread in 1967.
2813	More from the Post Office Archives	Hill, Dave	Perf. Soc. Bull., Feb 2004, (328), 24	Follow up to 262.13 etc. on the Post Office Archive material c.1906. A list of the sub postmasters identified by the post office in 1906 as carrying on perforating businesses. Mentions Pawsons & Leafs and Hitchcock, Williams & Co as customers of Albert Luff in EC.
2814	Sheffield Perfins	Smith, Rosemary	Unpublished typescript, February 2004	A listing of perfins identified with users in Sheffield, Rotherham and Chesterfield. Also a list of unidentified perfins with Sheffield postmarks. (The author lives in Sheffield)
2815	Joseph Sloper's marriage and death certificates.	No author	General Register Office England, 2003	Certified copies of Jospeh Sloper's 1838 marriage and 1890 death certificates. The first records Joseph's occupation as house decorator, the second as civil engineer.
2816	Machin perfins	Myall, D. G. A.	British Philatelic Bulletin, Oct 2001, 39, (2), 56-57	An intoroduction to perfins on GB Machins.
2817	Officials in Review	Morrow, Trelle A.	BNA Topics, November 1977, 34, (6), 6	A review of Canadian offical perfins and overprints (OH/MS and G). Includes a list of individuals and offices granting franking privileges. Records late use of the G overprint by Defence Construction (1951) Ltd up to 28 February 1965. pp8
2818	Perfin Column No.2	Dicketts, Michael	BNA Topics, November 1977, 34, (6), 25	Follow up to the May/June 1977 issue. Includes a Ontario stock transfer stamp punched DR, the American NS/Co of N. Shure Company of Chicago on a Canadian stamp, plus some detective work on tracing the movement of the CPR perforating machine in the 1960s.
2819	Perfins of Columbia	Harris, E.	Copacarta, Aug 1987, 5, (1), 14-17	An illustrated listing of the 9 perfins known on stamps of Columbia.
2820	A Preliminary look at punched cancellations on Colombian stamps	Cross, John	Copacarta, Nov 1987, 5, (2), 30-32	Illustrated article on the different shaped punches used on revenue stamps of Colombia and Panama.
2821	The Stamps of Manchoukuo	Zirkle, Helen K.	26th American Philatelic Congress Handbook, Chicago 1960	A general article on the Chinese province of Manchoukuo, includes an illustration of the what is stated to be the only known perfin on these issues. This perfin is in the form of the character SHO and was used by the Manchoukuo Branch in Hsinking of the Yokohmama Specie Bank. The former head of the Postal Bureau of the Manchoukuo Government remembers that permission was given to several businesses to use perfins but that the privilege had seldom been used. pp3.
2822	Diffusione dei perfin in Italia e loro utilizzi particolari	Bertazolli, E. & Ermentini, B.	Vaccari Magazine, May 2001, 13, (25), 43-50	In Italian without translation. Appears to be a general introduction to Italian perfins, with many colour illustrations. pp8.
2823	Romanian Perfins	Maxa, V.	Romanian Philatelic Studies, 1981, 5, (2) - 1982, (6), 4.	An illustrated listing of perfins on stamps of Romania, with identities. pp17.
2824	Tax full of "Holes"?	Shedrowitz S. G.	The State Revenue Newsletter, July 1975, 15, (40, 57-58.	Reprint from American Revenuer - see item 0149. Perfins on U.S. Revenue stamps are a large, generally disregarded, field. They have an added complication compared with postal perfins in that perforating was a widely used method of cancelling the stamps once they were affixed to the tax form so that stamps can be found with a true perfin to prevent pilfering, plus a perforated cancellation.
2825	An Interesting Side Line	Thomson, Hugo S.	The Philatelic Journal of America, Jan 1912, 22, (7), 255-256.	An introduction to US perfins, with illustrations of some branch code hole types for General Electric (stated to have 18 different), New York Life Insurance (85) and International Harvester (126). pp2.
2826	Perfin Corner	No author	Railway Philately, Vol 1 (reprint edition)	Illustration of the perfin of Cork, Bandon & South Coast Railway, incorporated on 21dt July 1848 and merged into Great Southern Railways (Ireland) in 1924.
2827	Photographs of perforating at Checkpoint Sloper	No author	Unpublished photographs, c. 1991	Two photographs of stamps being perforated at Checkpoint Sloper in Reading c.1991. The handwritten notes accompanying are written by Dave Hill. It is not clear who took the photographs. The notes read: "Sheet first registered by folding along first line of perfs and placing fold in machine against wood block - run along fence (?) will keep straight. How do they perf first row? Sloper/Checkpoint Reading c. 1991. Sloper's original machine. Note photo of 1939 exhibition on windowsill. In other photo not peg fitting ledger - current users? Norris / Hill / Steere".
2828	Complete Specification : Apparatus for Applying Adhesive Stamps or Labels to Envelopes and other objects	Dienz, Adam Georg	Patent Office, 1890	Patent no. 17552 of 1890, submitted by Adam Georg Dienz of Stralsund, Germany. Gives a specification (with technical drawings) for a stamp affixing machine.
2829	Provisional Specification : Improvements in and relating to Stamp Affixing Machines	Smith, Alfred William	Patent Office, 1915	Patent no. 17552 of 1890, submitted by Alfred William Smith of London. Gives a specification (with technical drawings) for a stamp affixing machine. One page missing.
2830	Tea Clearing House Stamps	Tennant, Chris	No publishing details	9 pages on the perfins known on Tea Clearing House, Liverpool Corn Trade Association and Liverpool Cotton Association stamps. Donated (and compiled?) by Jeff Turnbull.
2831	New Collector	Holman, John	GSM, September 2002, p.101-2.	An introduction to GB perfins, aimed at general inexperienced collectors. Background information from Dave Hill.
2832	Topic of the Times	No author	The Stamp Collector, January 1924, 28, (1), 1	A short piece on the Oxford Union (founded 1823) and their overprints.
2833	Kangaroo 2/- and 5/- overprinted "N.W. Pacific Islands" and punctured OS : Were these issues primarily used as "duty stamps" ?	Williams, Patrick H., Banwell, David A. & McMakin, Hugh J.	British Society of Australian Philately Bulletin, June 2002, 57, (3), 63	In response to a question from Carlos Albuquerque, it is reasoned that the 2/- and 5/- values of OS perfins on Australian stamps overprinted NW Pacific Islands were used as duty stamps. 150 sheets of the 2/- and 75 sheets of the 5/- were despatched on 18 January 1922. Postage stamps were allowed for duty use on 11 November 1921.
2834	Roltanding en Firmapeforatie	Bolian, G. W. W.	De Philatelist, Dec 1928, 3, (12), 283	In Dutch, without translation. A listing of perfins on stamps of the Netherlands, with identities (not illustrated).
2835	Roltanding en Firmapeforatie	Bolian, G. W. W.	De Philatelist, Sep 1928, 3, (9), ?	In Dutch, without translation. A listing of perfins on stamps of the Netherlands, with identities (not illustrated). See 2834 for a later version.
2836	Uso dei Francobollo perforati in Italia	Bertazolli, E. & Ermentini, B.	Opus 2, 2002, Academie Europeene de Philatelie	In Italian without translation. Appears to be a general introduction to Italian perfins, with many colour illustrations. pp2.
2837	Cummins Perforator	No author	No publishing details	Illustration of the 5x1 CPA die used by the Accounting Department of Cluett, Peabody & Co., the Tory, New York, maker of Arrow shirts. This was a model 52 perforator.
2838	Perfins	Various authors	British West Indies Study Circle Bulletin; Dec 1995, 167, p.76-77; March 1996, 168, p.10-11; June 1996, 169, p.38.	Various snippets on perfins of British West Indies. Includes Laurie & Co, shipbrokers of Barabados; Jamaican Telephone Co; 2/WIR of Sierra Leone; United Fruit Co. of Jamaica; Bank of Nova Scotia on Jamaican stamps. pp 5.
2839	Another Perfin	Dean, G.C.; Cooper, J. M.; Smeed, G.	Malta Newsletter, Spring 1980, 9, (9), 127; Spring 1983, 10, (7), 109; Summer 1983, 10, (8), 120.	Reports of perfins FE/F; O.B./&C. and G.B. & C. of Galae Bros. & Co. on stamps of Malta.
2840	China en zijn postzegels	van Wijngaarden, E. D.	De Philatelist, 25 Feb 1937, 12, (4), 55-59	In Dutch without translation. Appears to be a general article on the stamps of China, Tibet, Mongolia and Korea. Includes an illustration of one perfin. pp 5.
2841	Modern British Perfins, 1993 to date	Ransom, D. C.	Unpublished typescript, 9 March 2004	This is an attempt to record the decline of the British Perfin, using the introduction of elliptical cut outs in the vertical perforations of Machin head definitives as a baseline. In the 21st Century at least 24 different dies have been used,but they are becoming fewer and further between.
2842	Postage Stamp Books and Stationery	No author	Philat. Bull., Dec 1970, 8, (4), 13	Contemporary illustration of an early stamp vending machine in Pembroke, possible one of the Stamp Distribution Syndicate types. See 1091.
2843	Philatelic Terms Explained - No.16 : Underprints	Chapman, K. F.	Philat. Bull., Sep 1987, 25, (1), 20	An introduction to underprints on GB stamps.
2844	No title	Weinberger, W. A.	Luren, Jul 1982, 14, (8), 7	Illustration of an overprinted DSB (Danish railroad) stamp, Thomassen catalogue number 45 dating from 1937-40, perfinned NF. This comes from the firm Nordisk Fjerfabrik, feather merchants, according to the Ostergaard-Hansen listing in Posr-Historik Tidsskrift.
2845	Pinperf Airmails	No author	Chile News, Jan 1994, 3, (45), 312	Illustrations of perfins DF/C on Chilean 1934-52 airmail stamps and ANULADO on the 1915-27 presidential series.
2846	Chile Pinperfs	Pert, J. & Palmer, D.	Chile News, Apr 1994, 3, (46), 321	Follow up to 2845, giving the ident of Duncan, Fox & Co for the Chilean perfin DF/C. Also illustrations of PAGADO and ANULADO perfins, both apparently used to cancel Parcel Post Bulletins.
2847	The Mutilation of Postage Stamps for the Pre-payment of Telegrams	Lawrence, Sam	GB Journal, Jan/Feb 2000, 38, (1), 10-13.	Illustrations of many GB stamps, including commemoratives, used on telegrams and multilated with punches, all from the 1960s.
2848	The Oxford Union Society overprint on the Rose-Red Stars	Jordan, A. F.	Philatelic Adviser, Nov/Dec 1953, 16, (6), 29-31; Jan/Feb 1954, 17, (1), 19-20; Mar/Apr 1954, 17, (2), 13-18; Nov/Dec 1954, 17, (6), 15-17.	A non-illustrated account of the O.U.S. overprints, with detailed discussion of the printing methods and varieties. pp 11.
2849	Finnish Perfins	Keefe, E.	Scandinavian Contact, Mar 1995, 16, (2), 74-77	Only 10 different perfins have been identified as being used in Finland. These are all illustrated, with identities and other details.
2850	Sussex Perfins	Frost, John	Sussex Post, Mar 1994, 9, p.12-14.	A listing of perfins identified with users in Sussex.
2851	Board of Trade Perfins	Jackson, H. T.	GB Journal, Feb 1975, 13, (2), 37.	Response to an earlier letter, regarding forgeries of the Board of Trade perfins.
2852	Have You Ever Thrown Them Away? Perfins of South Africa & Provincials	Hodgson, John W.	Forerunners, May/Aug 1989, 3, (2), 8.	A short article on perfins of South Africa. States that 90% of South African perfins are found on pre-Union stamps. Also states that three machines were still in use, but does not identify them.
2853	Perfins of Latin America	Carr, C. J. T.	The Mainsheet, Sep/Nov 1973, 2, (5), 21.	A list of Latin American countries with the number of perfins known used in each one, with an appeal for further information.
2854	Everett Private Underprints	Slingsby, P. J.	GB Journal, Jan 1969, 7, (1), 14-15.	The private underprint WH/E&S/Ltd used by W. H. Everett & Son, Ltd is illustrated on a block of 9 and 6x2 plain paper sample. Also an advert offering the "Everett Thief-Stamp Detector", a roller device to underprint half a sheet of stamps, for £1.
2855	A K.E.VII Miscellany - Security Endorsements	Powell, R.	GB Journal, Jan 1975, 13, (1), 14-15.	A discussion of security endorsements of the Edward VII period. Includes the underprints of Everetts and Wattses (illustrated) and also mentions a 1907 postally used stamp which, when removed from paper, revealed an indecipherable monogram underprint. Also discusses the C.A. overprint, thought to have been used by the Crown Agents or the Commonwealth of Australia.
2856	C.S.A.R.; SAR, & NGR	No author	South African Philatelist, Jun 1955, 31, (6), 102-105.	A detailed article on the stamps of various South African states with overprints, perfins and stencil cuts of various railway concerns : CSAR, SAR, NGR, CGR.
2857	Danish firm perfins - I collect holes	Engelbrecht, P.	Scandinavian Contact, Sep 1986, 12, (8), 339-343.	Reprint from Naestved Philatelist Club's 1985 exhibition catalogue. Illustrated introduction to perfins of Denmark.
2858	A little about V.L. and the firm's history	Nielsen, Ingolf	Scandinavian Contact, Dec 1996, 16, (9), 412-414.	The history of Valdemar Lutzen and De Danske Petroleums Aktieselskaber. who used perfins V.L. and D.D.P.A. in Denmark.
2859	Railway Perfins of Sussex	Frost, John	Sussex Post, Nov 1993, 8, p.12-15.	Brief histories of railways that were perfin users and who operated in Sussex. Includes a map of Sussex railways.
2860	Perfins appear on federal and state revenue stamps	Morrissey, Michael J.	Linn's Stamp News, 11 Feb 2002, 75, (?), 20.	Perfins appeared on U.S. revenue stamps in 1872. Some examples are illustrated, with some information on the perfin users.
2861	Holes in a circle	Kane, Carl E.	Linn's Stamp News, 1 Apr 2002, 75, (?), 38.	Two U.S. stamps with a circle perfin are illustrated.
2862	Tunis	No author	Le Postillon, 25 Jun 1912, 440, p.270-272.	In French without translation. An article on the Tunisian stamps perforated T for use as postage dues.
2863	Some Additional Notes On Perfins	Alund, Lars	Egyptian Philatelic Topics, Sep/Oct 1975, 7, (5), 108	Reports of Egyptian perfins K&H/A usedin 1903 and TC/&S of Thomas Cook & Son used on various values.
2864	Perfins of the Middle East	Tilles, Harvey G.	Egyptian Philatelic Topics, Nov/Dec 1975, 7, (6), 114-118.	An illustrated list, with identities, of perfins known on the stamps of Egypt, Sudan, Palestine and Lebanon.
2865	Wilson & Co. Perfins - A Question	Bergman, Leif	Luren, Aug/Sep 2000, 32, (8), 12	The Swedish company Wilson & Co AB is described as one of Sweden's leading transport and shipping companies. The US company Wilson & Co were meatpackers. Both firms used perfins with the same logo. A 1936 cover US cover is illustrated, and it is wondered whether these two firms were related.
2866	Wild Rose Philatelics Auction No. 61	No author	Wild Rose Philatelics, 6 Apr 2002.	Auction catalogue with an illustration on the front cover of lot 460, a 1915 Canadian cover with two WR/&/YR perfins and ident of White Pass & Yukon Route. The estimate was C$100-200.
2867	For Stamp Enthusiasts - Perfins	Metcalfe, F. E.	Meccano Magazine, Dec 1960, 45, (12), 635-6.	Introduction to perfins for beginners.
2868	No title	Engelbrecht, P.	Luren, May 1982, 14, (5), 6	A list of perfins used in the Schleswig plebiscite area of Denmark in 1920. Includes notes on whether they were used on the stamps of Germany before 1920 and the stamps of Denmark after 1920.
2869	Letter to the Editor - Perfins	Dykhouse, Jack	Indo-China Philatelist, Mar/Apr 1985, 15, (2), 22.	Illustration of a HS/BC perfin of French Indo-China, and a request for information.
2870	Nouveautes	No author	Le Postillon, 5 Jun 1904, 3, (128), 596.	Contemporary report, in French, without translation, of Australian OS and OS/NSW perfins
2871	Les Officiels perfores d'Australie	No author	Le Postillon, 22 Mar 1908, 3, (325), 139-142.	A contemporary listing of OS, OS/NSW, T, WA and SA perfins on stamps of Australian states.
2872	Sierra Leone Pre-Cancels	Macmillan, H.	Cameo, Jan 1978, 7, p.154.	Low denomination stamps of the 1884 issue of Sierra Leone are known overprinted in black in bold type with place names. This appears to be a form of pre-cancel and it has been suggested that it was done by one of the trading companies to prevent pilfering of stamps. Examples of SHERBRO and ROTOMBO are illustrated and MANOH and SALIDJAH are also reported. All used copies seen by the author were cancelled B31.
2873	Perfin Comments	Melberg, Doc	Luren, Oct 1994, 26, (10), 8.	Some information on Danish perfins NESA (used 1932 - 1971) and BrBx.
2874	Danish varieties found	Trouillon, Martin	Luren, Sep 1994, 26, (9), 4.	Reports of Danish perfins NLSA (later found to be a partial of NESA) and BrBx. See 2873 for follow up.
2875	The Insider	Winick, Les	Linn's Stamp News, 7 Jan 2002, p.20.	A report of two examples of the 1906 2c shield stamp with Schermack type III perforations. Includes a report on the sale of one of these through Ebay for $711.01, plus a description of the Schermack system.
2876	No title	Halpern, Don	Luren, Sep 1978, 10, (9), 6.	Illustration of a 1973 Danish cover with perfin F.K. and ident of the Rent Control Office in Frederiksberg City Hall.
2877	No title	Schlueter, Pete	Luren, Mar 1978, 10, (3), 4.	Illustration of perin V.L. on a Faroe Islands stamp. A recent inquiry found that the users were the department store P. F. Valdemar Lutzen of Torshavn. Apparently, "these stamps are not used in business any longer, but we have the old machine to perforate the stamps".
2878	No title	Schlueter, Pete	Luren, Aug 1978, 10, (8), 7.	A Danish perfin cover of 1946 is illustrated, The identity is V. Lowener of Copenhagen, a manufacturer of machine tools.
2879	Limitazione all 'uso dei perfin in tempo di guerra.	Bertazolli, E. & Ermentini, B.	Vaccari Magazine, No. 26/01, p.61-63.	In Italian without translation. An illustrated article on Italian perfins during and immediately after World War II
2880	Guernsey GWR perfins	McQueen, Ian	Les Isles Normandes, May 1977, 1, (3), 32.	Two examples are reported of GWR stamps used in Guernsey, in 1914 and 1920. Both were used on GWR picture postcards bearing printed forms of acknowledgement. The perfins are of different types.
2881	No title	Engelbrecht, P.	Luren, Apr 1981, 13, (4), 9	Ten Danidh perfins are illustrated which are known only by sketches or photocopies, and an appeal is made for collectors to come forward with examples of them.
2882	No title	No author	Luren, Oct 1979, 11, (10), 6	A Danish perfin cover of 1947 is illustrated, The identity is A.P. Moller and perfin APM. The perfin was added to a non-perfin cover to pay foreign postal rates when the letter was forwarded to a crewmember of one of the company's ships.
2883	No title	No author	Luren, May 1976, 8, (5), 5.	An illustration of a Norwegian perfin on cover. The perfin is J.G./Co and the ident is Joachim Grieg & Co, Bergen.
2884	No title	Trouillon, Martin	Luren, Apr 1976, 8, (4), 6.	Illustration of perfin DUE on a Norway 50c lion and axe definitive. This was used by E.C. Due & Co in Oslo from 1900 to 1951.
2885	Scandinavian Perfins	Schlueter, Pete	Luren, May 1977, 9, (5), 7.	An appeal for identities for Scandinavian perfins. Includes an illustration of a Danish perfin D.S.K. with ident of Det Sibiriske Kompagni (Siberian Company) of Copenhagen.
2886	Perfins Wanted	Swenson, Stellan	Luren, June 1990, 22, (6), 10.	A wants list of perfins of various countries.
2887	Thief Proof Stamps and True Philately	Ward, Gordon	Report of the Twelfth Philatelic Congress of Great Britain, Cambridge, 1925.	A paper presented to the 12th Philatelic Congress of Great Britain in 1925. Includes an account of the first underprints, overprints and perfins. Mentions that the Wattses underprint was still in use in 1925 and quotes James Watts Jnr., as follows: "Although a keen stamp collector myself, I rather take the line that all interferences with the natural state of the stamp are of doubtful interest". Perhaps this is why he preferred underprints to perfins?
2888	Perfins	Santos, Aureo	Braziliana, Sept 1983, No.2, p.37.	Follow up to 2889. Illustrations of Brazilian perfins B&C; D&C; G.F.D. D&C is identified with Dannemann & Cia of Sao Felix, Bahia.
2889	Brazilian Perfins	Bergstrom, Robert	Braziliana, July 1983, No.1, p.20.	A summary of known facts on Brazilian perfins, obtained from the collection of the author, plus his correspondence with the Perfins Club. An illustrated list with identities where known.
2890	Collecting perfinned stamps: the hole story	Wunderly, Kathleen	Linn's Stamp News, 24 Sep 2001, p.36	An illustrated introduction to perfins, focusing on USA.
2891	Commercial Overprint	Asquith, Brian; Burrows, Dave; Ambrose, Ralph; Alderfer, David	Linn's Stamp News, 26 Nov 2001, p.36.	Replies to an item in the 29 Oct issue about an overprint SEGB. States that this was used by South Eastern Gas Board, one of the regional gas boards established by Clement Atlee's governement shortly after World War II, responsible for distribution of natural gas. See 2986.
2892	News about Guernsey perfins	Mayr, Leopold	Channel Islands Specialists' Society Bulletin 1980, No. 165, p.11-12.	Reports of perfins C&P; WC/&S, GWR, CU/AG and WCA used in Guernsey.
2893	Another Jersey Perfin	McQueen, Ian	Channel Islands Specialists' Society Bulletin 1978, No. 159, p.9.	A report of a cover sent from Jersey on 18 Dec 1946 bearing a George VI pale red 1d with perfin OA/SC.
2894	C.I. Perfins	van Zon, C.	Channel Islands Specialists' Society Bulletin 1977, No. 157, p.15	Reports of perfins used in the Channel Islands. Includes GWR, CUAG, W.C.A. and A.A.O.Co.
2895	Polish Perfins in United Kingdom 1980 - 1983	Nowicki, W.Z.J.	Polish Philatelic Review.	Information relating to various commemorative perfins produced by "The Polish Philatelists Associaton" including F/SP; PR/CF; JS/III; DM/C; 40/MC; P/FF; AK/44; JP/II.
2896	The New Zealand perfins of Great Britain	Samuel, R.	New Zealand Stamp Collector, Nov 1963, 43, (4), 143-144.	"The office of the High Commissioner for New Zealand, in London, is part of the Ministry of External Affairs, and can be considered part of the Government of New Zealand. Between, at least, the years 1936 and 1955, the Great Britain postage stamps used by this office were identified by being perforated NZ." The article discuses their status and also mentions the BNZ perfins of the Bank of New Zealand. Describesd 4 types of NZ perfin and gives dates of use and values noted.
2897	Perfins on dollar stamps	Snee, Charles	Linn's Stamp News, 5 Mar 2001, p.66.	Brief article on perfins found on US $1 postage stamps.
2898	Wanted - Perfins	Everett, R.	Universal Dealers Protection Association Bulletin, Aug 1985, p.4.	A trade advertisment from R. Everett, seeking to buy perfins. Paying £1 per 1000 for GB perfins!
2899	Approval packet comes with choice surprise	Haeseler, Rob	Linn's Stamp News, 15 Jan 2001, p.34.	Illustration of a Schermack type III perfin on a US 1908 imperforate 2c stamp. This example has Schermack code 45, used by Hammacher, Schlemmer & Co in New York.
2900	W. H. Smith & Son's embossed rings	Williams, L. N. & Williams, M.	Stamp Collectors Annual, 1939	The background to the advertising rings used by W. H. Smith & Son on embossed postal stationery. Includes letters from the Inland Revenue, giving the cost of the die (or "cup") as £4, to be prepared by Messrs. Napier & Son of Vine Street, York Road, Lambeth. Authority to use the ring was received on 31 Dec 1861. A replacement ring was made by De La Rue in 1884 for £4:10:0.
2901	Pen Marking of Postage Stamps	No author	Meekel's Weekly Stamp News, 30 Sep 1905, 19, (39), 323.	A contemporary report that the Indian postal authorities had decreed that postage "shall not be deemed prepaid if the stamp is obliterated, defaced or damaged except by authority from the Government", thus outlawing the penmarking of stamps on letters. This was to facilitate the introduction of unified postage and revenue stamps in India.
2902	Pseudo-roulettes ou roulettes-privees	Trassaert, J. L.	L'Echo de la Timbrologie, Oct 1998, 112, (1172), 64.	In French without translation. Includes an illustration of a CR perfin on a French stamp postmarked 1930.
2903	Australia's Federation Era Stanps - Part 2	Breckon, Richard	GSM, Mar 2001, p.29-32.	One of a series of articles on the effects of federation on Australian stamps. Includes the end of state frank stamps and the introduction of official perfins OS, OS/NSW, WA, SA and T.
2904	Sale number 23 : lot 994	Classic Stamps Limited, Christchurch, NZ	Sale 23, 23 Feb 2001	Australia KGV 1d green collection. Includes strip of three (OS/NSW perfin) with paper fold causing part missing colour (colour photo) etc. Estimate NZ$2500.
2905	Wanted - Perfins	Everett, R.	Universal Dealers Protection Association Bulletin, Nov 1989, p.25	A trade advertisment from R. Everett, seeking to buy perfins.
2906	Les Lakatoi de Papouasie	Demont, Michel	L'Echo de la Timbrologie, Mar 1998, 112, (1706), 76.	A general article on Papua. Includes OS perfins. In French, without translation.
2907	Surcharges British	Perrot, Daniel	L'Echo de la Timbrologie, Mar 1999, 113, (1717), 11.	In French without translation. With illustrations of commercial overprints on 2d Wildings.
2908	Additions to "New Zealand Stamps with perforated initials"	Samuel, R.	The Mail Coach, May 1969, 5, (1), 168-169.	Supplement to 0265 - New Zealand catalogue.
2909	Girl Scout Protest Covers	Bernott, M. J.	Mayflower, Sep 1988, No. 125, p.20-24.	Details and illustrations of covers issued by H. Nakano of Detroit, protesting against the US Girl Scouts trying to surpress all cachets for first day covers on the 1988 US stamp issue celebrating 75 years of Girl Scouts. The commemorative stamp on these protest covers has perfin H.N.
2910	Post Office Suggestions - P	No author	PJGB, Mar 1977, 87, (1), 12	Based on an official manuscript "Record of Suggestions, Proposals, & C., made by the Public and Others", (see PJGB, Sept. 1974, 84, (3), 68) this section includes an inquiry from Waterlows on 15 Oct 1877 asking "whether postcards impressed on back with die are transmittable", the reply being "Yes, if the postage stamps are not defaced". Also, no objections were made to the proposal made on 25 Apr 1879 that postcards and newspaper wrappers could be perforated with initials.
2911	Philately for Fun	McQueen, Ian	Stamps, Sep 1988, 8, (9), 98-99	Illustration of a the reply portion of a private reply-card with an Austrian sramp used in Germany. The stamp has perfin WB or WB/V and the reply card is addressed to Wiener Bank-Verein in Vienna.
2912	Post Office Suggestions - M	No author	PJGB, Mar 1976, 86, (1), 9	Based on an official manuscript "Record of Suggestions, Proposals, & C., made by the Public and Others", (see PJGB, Sept. 1974, 84, (3), 68) this section includes the decision of the postmaster general in 1888 that advertising rings must be discontinued.
2913	High Society	Maxa, V.	Stamps, Aug 1988, 8, (8), 81	An introduction to POKO perfins. They were mainly used in Germany but also in Belgium, Great Britain, Denmark, Netherlands, France, Spain, Sweden and Switzerland. There was an unsuccessful attempt to introduce them to Czechoslovakia. On German stamps there are many identical POKO dies used by different companies.
2914	Philately for Fun	McQueen, Ian	Stamps, Aug 1988, 8, (8), 98-99	General introductory article, includes an illustration of a Trinidad stamp of 1883 with a J.J.F. overprint.
2915	Editorial	Fulcher, L. W.	Morley's Philatelic Journal, Apr 1903, 4, (4), 29	A discussion, prompted by the recent issue of Admiralty Official overprints in GB, of the merits of collecting official overprints and perfins, posing the question: if initial-perforated official stamps are not worth cataloguing then why catalogue the overprinted stamps, and if they are, where is the line to be drawn? Are stamps perforated with initials of County Councils official?
2916	Editorial	Fulcher, L. W.	Morley's Philatelic Journal, Oct 1903, 4, (10), 77	A discussion, following the prosecution of officials for misappropriating official overprints, of whether a switch to perfins for government departments would overcome the problem.
2917	World War II Message Schemes	Gobby, T. J.	Am. Philat., Apr 1988, 102, (4), 342-349	An account of various schemes for sending mail to and from Poland during the German occupation in the Second World War. Includes the forwarding facility organised by Thomas Cook, initially in Amsterdam then from P.O. Box 506 in Lisbon, Portugal. They handled mail from Austria, Belgium, Bohemia-Moravia, Croatia, Denmark, Finland, Vichy France, Germany, Holland, Hungary, Italy, Poland, Romania and Slovakia.
2918	Editorial	Fulcher, L. W.	Morley's Philatelic Journal, May 1905, 6, (5), 41	Contemporary report on Hong Kong stamps with SO or SD overprint. Apparently, the original overprint was SO for Stamp Office, later changed to SD for Stamp Department. These overprints made the stamps available for fiscal use, but did not invalidate them for postage.
2919	The Oxford Union Society 1d postage stamp - A New Discovery	No author	Morley's Philatelic Journal, May 1904, 5, (5), 38	Messrs. Herbert James & Co report a 16 dot penny lilac with OUS underprint in lilac, reading downwards. This was previously only known in red. Apparently the underprint ceased in October 1882.
2920	Fakes	No author	PPS Stamp News, Sep 1971, 18, (1), 5	A report of a Papua OS perfin faked to look like a different stamp, with the perfin holes all carefully filled in with pieces of paper shaded to match the design.
2921	The Hut O.S. issue of New Guinea	Voyce, A. H.	PPS Stamp News, Aug 1957, 4, (2), 4	The author;'s experiences trying to purchase OS perfins in New Guinea from the post office in 1926. These were on sale at the post office for only 2 days.
2922	Letter to the Editor	Harrison, J. H.	PPS Stamp News, Aug 1957, 4, (2), 5	A mint example of a Papua stamp with OS perfin and double perforations on the left vertical side is described.
2923	Philately for Fun	McQueen, Ian	Stamps, Mar 1988, 8 , (3), 117	Some details of the way Bournemouth council uses its perfins, largely replaced by meter franks but still used some "outposts of the Borough Treasurer's domains". Gives quantities used for 1982-1985 (total 326,000 stamps in 3 years).
2924	Grave Scandal	No author	Mack's Stamp Review, Apr 1908, 1, (3), 3; May 1908, 1, (4), 1-3; Jun 1908, 1, (5), 1-2; Jul 1908, 1, (6), 1; Aug 1908, 1, (7), 1-3.	A series of articles and correspondence surrounding the allegation that "certain members of the Stamp Trade Protection Association obtained a machine for faking" Board of Trade perfins. "The machine was made on a certain date by a leading firm of Government contractors; it was copied from a genuine crown and BT stamp from which the colour had been bleached and the perforations cut off in order not to raise the suspicions of the firm who innocently made the machine". Ultimately no names are mentioned, but the trade association did accept that the forgeries existed.
2925	From All Quarters	No author	Stamp Dealing, Apr 1955,, 31, (4), 56.	"Forged British stamps, perforated with crown and BT are coming over from the continent in quantities. In the case of KEVII issues some have been made on Somerset House printings which do not exist with genuine puncture. Nearly all the Board of Trade punctures are rare and they should not be purchased without certificate". (Complete)
2926	George Nesbitt Collar	No author	Linn's Stamp News, 7 Apr 2003, p. 35	"The first stamped envelope contractor for the United States was George F. Nesbitt, a printer in New York City." Illustrates an unused 1864 2c pink envelope with matching pink Nesbitt advertising ring, which sold for $330 on 8 Feb 2003.
2927	Samuel S. White used distinctive cancel on revenues	Morrissey, Michael J.	Linn's Stamp News, 9 Jun 2003, p.12	Illustrations of SSW monogram overprints on US revenues of 1862-83. These were used by Samuel S. White, manufacturers of dentists' materials in Philadelphia.
2928	Postally used fiscal stamp	Swafford, E.	Linn's Stamp News, 2 Jun 2003, p.44	An illustration of a postally used Inland Revenue fiscal stamp with perfin B&S.
2929	Precancelled Proprietaries	Rothery, C.	Prarie State Philatelist, Feb 1902, 4, (3), 1	A listing of precancels on US revenue Proprietary stamps.
2930	Talking Stamps	Crace, John	Stamp Magazine, May 2003, 69, (5), 57.	A look at advertising on stamps and booklets, including the Pears Soap underprints.
2931	Official Perfin	Rattray, B.	Stamp Magazine, May 2003, 69, (5), 78.	Illustration of a Luxembourg stamp with OFFICIEL perfin, with the explanation that this was an official stamp, introduced in 1899.
2932	Revenue Department	Rothery, C.	Prarie State Philatelist, Feb 1902, 4, (2), 1-2	A listing of precancels on US revenue Proprietary stamps. Continued in 2929.
2933	Perforated Initials	Dauwalders of Salisbury	Dauwalders Sale list, Summer 2003	Advertisement for starter collections of perfins, QV to QEII. 50 for £7.50 or 100 for £17.50, all different.
2934	The Leeward Islands Adhesive Fees Stamps	Jakes, Ian	London Philatelist, May 2003, Vol. 122, p.132.	Examples of the Leeward Islands 1890 One Penny dull mauve and rose postage and revenue stamps had been found with the letters M.C./A. and M.C./B. perfinned. These are considered to stand for Magistrates Court Antigua and Magistrates Court Barbuda. The M.C./A. is illustrated on a one shilling value.
2935	Novel Advertising	No author	Daily Stamp Item, 17 Oct 1896, 4, (15), 1.	A report of an advertising underprint applied to used US stamps by stamp dealer George M. Frame of Haverhill. The underprint consisted of "I but old postage stamps" and the dealer's address.
2936	Daily Review	Hopkins, S. B.	Daily Stamp Item, 20 Oct 1896, 4, (17), 66.	A quote from the "English Stamps" column in "Trans-Mississippi Stamp" on W.H. Smith advertising rings, describing them as rather scarce. The author diagrees, stating that they are readily available for US$0.25.
2937	1d Lilacs Used in Ireland	Shields, William S.	The Revealer, Spring 2003, 52, (4), 56-59.	A general article on penny lilacs used in Ireland, including the statistic that over 550 Irish perfins are known on the issue. Only two are on the 14 dot version. Also includes details of the Stamp Distribution Company vending machines and the SDS and SDC perfins.
2938	Ceylon overprints	Kiddle, Francis	Stamp Magazine, Jan 2003, p.54.	A detailed study of the CAVE overprints on stamps of Ceylon, used by H.W. & A.W. Cave of Colombo, who were booksellers, stationers, printers and importers of musical instruments. Eight different overprint types are classified with approximate dates of use and details of the values known. Also illustrated is the CAVE/COLOMBO perfin which replaced the overprints in 1908.
2939	Collecting Perfs	McAdam, G.	Stamps Pocket Guide, issued with Stamps, 1988, 8, (10).	A general article on collecting GB perfins.
2940	Perfins on the 1967 Centennial Issue of Canada	Hodges, David M.	BNA Topics, May-Jun 1977, 34, (3), 22-30.	A study to determine the number of perfin users in Canada between 8 Feb 1967 and 17 Oct 1973. Includes Great Northern Railway, who used perfins from 1912 until 1970, when the company merged with three others. Also Canadian National Railways, Steel Co. of Canada, Mutual Life Assurance Co., International Harvester, Metropolitan Life Assurance Co., Workmen's Compensation Board (ceased by 1972), Swift Canadian Co. (ceased 1968), W. Wrigley Jr. Co., Legislative Assembly of Ontario, Canadian Pacific Railway, Province of Saskatchewan, Canadian General Electric, Con Mining & Smelting.
2941	Perfin Column No. 1	Dicketts, Michael	BNA Topics, May-Jun 1977, 34, (3), 12-14..	A general article on Canadian perfins, hoping to revive interest. Includes a list of perfins in current use in 1976.
2942	Perfins History	Watters, A. F.	New Zealand Stamp Monthly, Dec 1968, 1, (9), 11.	Introduction to New Zealand perfins. Includes a quote from the Annual Report from the Postmaster General for the year ending 31 Mar 1883 relating to the introduction of perfins.
2943	History of Italian perfined stamps a bit spotty	Lana, Robert E.	Linn's Stamp News, 11 Jun 2001, 74, (?), 28.	Introduction to Italian perfins. Includes the CI perfin applied to 2c stamps sold for commercial use for 1c.
2944	Papua SG 68 imperforate at right	No author	PPS Stamp News, Jun 1970, 16, (4), 5.	Five examples are reported - one illustrated - of the 1907-10 Papua 2 1/2d with OS perfin and imperforate at right, between the stamp and the sheet margin.
2945	Editorial	No author	Morley's Philatelic Journal, Dec 1906, 7, (12), 93.	"Some of our postal friends seem to be much exercised as to the status of the 1d stamp surcharged in large black caps C.A. This stamp which appeared some years ago, seems to be a sort of precancelled receipt stamp used by the Crown Agents and to be of no postal or fiscal significance.
2946	Official Stamps - Canada	Belanger, Marcel	Am. Philat., Jun 1953, 66, (9), 680-684.	An introduction to Canada OH/MS perfins. Includes a comment on the delivery of underpaid mail to Government departments: "Upon delivery, no postage due stamps will be applied. Instead, the department will supply an official stamp in payment of the amount missing".
2947	Argentine Official Perfin Stamps	Pettoruti, Alejandro Jose	Belgische Philatelie, Dec 1988.	A look at the various official perfins and punches on Argentinian stamps, including CYT, star, circle, INUTLIZADO and CHANCELADO.
2948	Saltaire: A Model Community	No author	No publishing details	A brief history of Saltaire, the town built by Sir Titus Salt (user of the SALT perfin on GB stamps), who was also mayor of Bradford.
2949	Don't Throw Away Those Perfins	Pinperf	Philatelic Trader, 3 Feb 1956, 60, (3), 61.	An article, aimed at dealers, on the potential of perfins. Amongst other hopeful assertions, it claims that, for DS/IR perfins, "there will be a good demand for them once it is realised that this is the official punch of a Government Department".
2950	Neueste POL-Marken	Kroger, Paul	Sammler-Express, Sep 1947, 1, (12), 178.	A contemporary report of a new POL perfin on German stamps. In German without translation.
2951	Eine interessante Durchlochung	Kratzer, Alois	Die Briefmarke, Sep 1976, 205, p.47.	In German without translation. Illustration of an Austrian stamp with perfin, pattern unclear.
2952	Postal Stationery Matters	Gelder, Peter van	GSM, Mar 2002, p.40.	An illustration of a 1872 postcard with a Sloper arrow perforated cancellation, with a description of the experiment from 1870-1875.
2953	Krause again	Rogers, Peters	Poster Stamp Report, Oct 2002, No. 16, p.171-175.	A selection of poster stamps issued by machine tool maunfacturers Krause, of Leipzig, Germany. Also an illustration of a Leipzig Courier stamp with Karl Krause perfin K.K.
2954	Inside the Cover Revisited	McDermott, Vince	Am. Philat., Sep 2002, 116, (8), 779.	A 1914 cover from Walker & Gibson, wholesale druggists of Albany, New York, USA using their perfin W&G, with the enclosure, an invoice for goods provided.
2955	New Collector	Holman, John	GSM, Nov 2002, p.113.	Brief introduction to the various overprints and underprints to be found on GB stamps.
2956	Punctured and Overprinted Official Stamps of Australia 1902 to 1933	Breckon, Richard	GSM, Nov 2002, p.46-51.	A detailed article on the background to the various official perfins and overprints on stamps of Australia and Australian states, with the reasons for their withdrawal. Illustrates several covers and one inverted overprint.
2957	Das interessante Dienpost-Gebeit der Pol-Lochungen unter besonderer Berucksichtigung der hallischen Lochungen nach 1945	Modry, Fritz	Sammler-Express, Feb 1968, 22, (3), 60.	In German without translation. Illustrated article with a listing of POL perfins on German stamps.
2958	Collect Your Perfins	Ibbotson, Paul	Stamp Collecting, 8 Sep 1977, 129, (3), 195	General introduction to perfins.
2959	Collector's junk box yields valuable Shield with control marks	Haeseler, Rob	Linn's Sramp News, 25 Jun 2001, p.1-2.	The first example of a US 1906 2c shield vending machine stamp discovered with Schermack perfin is illustrated. The stamp was found in a junk box and is valued at $1000. The article includes a description of the Schermack system and how the coil were constructed.
2960	Great Britain Private Overprints Through The Post	Pinperf	Philatelic Trader, 15 Sep 1961, 65, (19), 449.	A report of commercial overprints used postally, includes York Corporation.
2961	The Oriental Overprint	Hewitt, Ken; Reeder, Brian; Ellis, Patrick; Goard, Dean; Ruparel, Jayant J.	BEA, Jan 1996, No. 52, p.196-7; Sep 1996, No. 54, p.242; Jan 1997, No. 55, p.266; May 1997, No. 56, p.290; May 1998, No. 59, p.368-9.	A series of articles on the ORIENTAL overprint, known on stamps of Malaya and Kenya Uganda Tanganyika. This is thought to have been used by either The Oriental Fire & General Insurance Co. Ltd. or Oriental Government Security Life & Assurance Co. Ltd.
2962	Proprietary precancels are a sleuthing goldmine	Morrissey, Michael J.	Linn's Stamp News, 9 Dec 2002, p. 28.	Various overprints on US 1862-71 proprietary revenues. Includes Tallman & Collins; Forbes Bros.; Damon & Baker; Morres & Co.; Fire and Water Proof Cement; Dr. S. J. Sears Cough Syrup; P. Burr; Columbia River Packing Co.
2963	Interi postali perforati	Bertazolli, E. & Ermentini, B.	Vaccari Magazine, 28 Nov 2002, p.109-112.	In Italian without translation. Illustrated severl perforated Italian postal stationery items.
2964	Perfins of El Salvador	Roy, Rudy	El Faro, 6, (3), 32-33.	In 1906, the El Salvador post office used cut-outs from postal stationery as stamps, and perforated them with numerals to denote their value. Examples are illustrated.
2965	The C.A. Overprint	Armitage, Lawrence	Overprinter, No.2, 1988, p.37.	A cover printed with the address of Siemens in Westminster is illustrated. The Downey 1d stamp has C.A. overprint and is postmarked London EC, 11 Jan 1912.
2966	C.A. overprint on G.B.	Jefcoate, Derek	Overprinter, No.1, 1988, p.21.	A pair of C.A. overprints on KEVII 1d mint stamps is illustrated. An inquiry to the Australian National Philatelic Archives received the following response: "The initials stand for Crown Agents and the stamps were used on Crown Agents' mail in Great Britain for a short period. Australia House in London did use CA British stamps, but only in the form of punctured initials".
2967	Errors on covers	Ross, Stephen R.	El Faro, 11, (3), 29-34.	A 1907 cover with El Salvador ocver with postal stationery cutouts perforated with their value in numerals used as stamps is illustrated.
2968	Perfin Commentary	Ross, Stephen R.	El Faro, 6, (4), 38-41.	12 hole perforations were used on El Salvador special usage stamps as regular postage stamps. A double strike is illustrated, together with some examples of stationery cut-outs used as stamps with their value perforated thorugh them in numerals.
2969	Manchester Postcard Clips, 1870-75	Cunliffe, J. D.	Lancashire and Cheshire Mail, 30, (2), 18.	Manchester used various clips to cancel postcards in the 1870s. Four different types are identified and illustrated, inlcuding an early example from October 1870.
2970	Torchlight Tattoo	Purcell, Brian	Bristol Postal History Group Newsletter, Nov 2000, 3, (5), 97.	A 1925 printed postcard from The Metal Agencies Co. Ltd, Queen Square, Bristol is illustrated. The stamp is perforated M/A/C.
2971	Advertising Envelopes & Cards of Bristol firms	Purcell, Brian	Bristol Postal History Group Newsletter, Sep 2000, 3, (4), 88.	An illustrated 1924 credit note postcard is illustrated. The stamp has perfin ES/&/AR and the ident is E.S. & A. Robinson Ltd, Bristol, with illustrations of their head office, paper bag factory, plain paper stores, colour printing works and cardboard box factory.
2972	Australian Commonwealth - The Perforated Officials	Hughes, H. S.	Stamp Collecting, 6 Sep 1957, p. 298.	A listing of 16 different official perfins on stamps of Australia in the Commonwealth period (not illustrated).
2973	U.S. Perfins in Hong Kong	Denison, Ellery	China Clipper, May 1980, 44, (4), p.125.	A cover registered at the US Postal Agency in Shanghai on 27 Mar 1919 and received in Toronto on 23 Apr 1919 is illustrated. The US stamps have perfin HS/BC of the Hong Kong & Shanghai Banking Corporation.
2974	Atchison, Topeka & Santa Fe Railway Company Perfins	Goodbody, Tony	Railway Philately, Dec 1979.	Several SFE perfins and a PSF die are illustrated. These were used in the US by Atchison, Topeka & Santa Fe Railway; Gulf, Colorado & Santa Fe; Panhandle & Santa Fe.
2975	Board of Trade Perfins	Nelson, John	WSCJ, Sep 1989, p. 20.	19 different dies, some thought to be forgeries, of the Board of Trade perfin are illustrated. It is suggested that they may have been produced for the Board of Trade by Waterlow & Sons..
2976	Perfin Mystery Solved?	No author	British Philatelic Bulletin, Sep 2001, 39, (1), 30.	A reference to the June 2001 Perfin Society Bulletin article that illustrated the BP perfin on 1957 Scout Jamboree stamps used on a cover to W.O. Hawkins, a Sloper director.
2977	Correspondence - O.U.S. underprint	Willcocks, R. M.	London Philatelist, Dec 1962, Vol. 71, p.196-7.	A dubious O.U.S. underprint is illustrated on a SG 36 penny perf 16 watermark large crown, which was obsolete by the time the official O.U.S. underprints were first produced. This shows extra wavy lines, one parallel and the other perpendicular to the normal underprint. Also, an example of the overprint on piece dates 24 Nov 1858 is illustrated. This overprint predates the supposed date of issue of 18 Apr 1859.
2978	The underprints of W. H. Smith and Pears Soap	Willcocks, R. M.	London Philatelist, Apr 1962, Vol. 71, p.69-71.	Some details of the underprints used by W.H. Smith, from information in the De La Rue archives. Although the underprint is only known on line engraved stamps, records show that on 15 Jan 1868 two overprinting formes were created, one for 4d stamps and the other for 3d, 6d, 9d, 10d, 1/- and 2/- values.
2979	SA perfins on stamps of Victoria (Australia)	Hayes, Harry	Salvation Army Philatelic Circle Newsletter, Jun 1993, No. 8, p.95.	The SA perfin used in Victoria, of a different type to the official SA perfin of South Australia, was used by the Salvation Army. This was confirmed in 1962 by the Australian Post Office. Also, the S&A perfin used biscuit maufacturers Swallow & Ariell of Melbourne is illustrated.
2980	Specialised Handbook of Salvation Army Philately	No author	Salvation Army Philatelic Circle Newsletter, Jun 1995, No. 16, p.213.	On 25 Jun 1982, Canada marked the Centenary of the Salvation Army's work there by issuing a single 30c stamp. 400 were privately perforated with the intials LA (Legislative Assembly), and used by the Ministry of Natural Resources in Toronto, mainly on return envelopes from Geoscience centres throughout Canada. A block of four is illustrated.
2981	Salvation Army "Perfins"	Hayes, Harry	Salvation Army Philatelic Circle Newsletter, Jun 1994, No. 12, p.156-7.	Five different types of Salvation Army SA perfin used on GB stamps are illustrated, together with details of dates of use.
2982	Review - "238": The Journal of the Faroe Islands Study Circle	McQueen, Ian	GSM, Jan 2000, 30, (8), 37.	The only Faroese business to use perfins was the Danish subsidiary of Standard Oil. Two completely different types were used, D.D.P.A. for the Danish company, and V.L. for the man who ran it, and the V.L. initials can be found on Faroes stamps from 1975.
2983	Hong Kong, Calif.	Shores, Jerry	Linn's Stamp News, 20 Aug 2001, p. 42.	A QV Hong Kong stamp with San Francisco, California postmark in illustrated, thought to be an arrival mark. The stamp has a perfin, probably HS/BC.
2984	Une collection qui roule	No author	Atout Timbres, 15 Jul 2001, (53), 22-24.	In French without translation. A thematic article on a theme of bicycles. Includes a piece from 196 with T&C perfin and ident of Terrot & Cie, Dijon.
2985	Perforation bancaire	Gilles, C.	Timbres Magazine, Jul/Aug 2001, No. 15, p. 122.	In French without translation. An exampe of an Algerian stamp with BB perfin is illustrated. This perfin was used by Barclays Bank from 1926 to 1954.
2986	Commercial Overprint	Kotch, William T.	Linn's Stamp News, 29 Oct 2001, p. 34.	A letter enquiring about a George VI stamp with SE/GB overprint. See 2891 for follow-up.
2987	Club documenting U.S. revenue perfins for catalog	Spaulding, Chuck	Linn's Stamp News, 29 Oct 2001, p. 11.	A report on the research undetaken by the Perfins Club into perfins on US revenue stamps in preparation for a new catalogue.
2988	GB Newspaper Precancels	Coles, C.W.E.	Precancels, Nov 1955, 2, (2), 3.	Follow up to Precancels Vol. 1 No. 9.
2989	More GB Precancels	Rich, Stephen G.	Precancels, Feb 1956, 2, (5), 3.	Follow up to 2988.
2990	Belgium "G" Overprints	Higby, Charles R.	Precancels, Dec 1956, 3, (3), 4-5.	A report of the G overprint on Belgium 20c No. 15, with an explanation of their use; "Control mark used by the Banque Paternostre, Guillochin, Emile Siraute & Cie of Mons. The why or wherefore of authorisation has not to date been determined".
2991	British Overprinted Receipt Stamps	Hoult, Kathleen	Precancels, Feb/Mar 1958, 4, (5-6), 3-4.	Two contrasting views on the collectablility of GB commercial overprints.
2992	Great Britain - The Public Utilities	Coles, C.W.E.	Precancels, Apr/May 1958, 4, (7-8), 3-4.	A listing of nationalised industries in existence in 1958, with their commercial overprints for those that used them. Followed up in 2993.
2993	Great Britain - Initials used to precancel Fiscal Stamps	Coles, C.W.E.	Precancels, Jun/Jul 1958, 4, (9-10), 1-2.	A list of initial-only commercial overprints, with identities where known. Also an update to the nationalised industries list in 2992.
2994	USA - Precancels perforated with initials	No author	Precancels, Jun/Jul 1958, 4, (9-10), 3-4.	A discussion of the collectability and rising prices of US precancelled perfins.
2995	Canada - Precancelled Stamps perforated with the user's intials	Hetherington, R. B.	Precancels, Aug/Sep 1958, 4, (11-12), 2-3.	A listing (not illustrated) of Canadian precancels with perfins. See 2997 and 3032 for updates,
2996	Great Britain - Initials used to precancel Fiscal Stamps	Field, Harold W. & Barfoot, S. D.	Precancels, Aug/Sep 1958, 4, (11-12), 4-5.	Additions and amendments to the lists of initial-only and nationalised industries' commercial overprints (see 2992 and 2993).
2997	Canada - Precancelled Stamps perforated with the user's intials	Hetherington, R. B.	Precancels, Feb/Mar 1959, 5, (3), 33-35.	Additions to the listing of Canadian precancels with perfins - see 2995.
2998	The precancels of the Argentine	No author	Precancels, Apr/May 1959, 5, (4), 42-45.	Various precancelling perfins and cancels used on bulk mailings in Aregantina are described, and some are illustrated.
2999	Security Cancellations - Are They Precancels?	No author	Precancels, Jun/Jul 1959, 5, (5), 62-64; Stamp Collecting, unknown issue, p.43	A discussion of the status of security overprints used on postage stamps. Mentions Cave and Cargills in Ceylon, DP and D. & Co. LTD in Hong Kong. ON/LF/S in India (meaning on Local Fund Service) and Heacock Manila in the Philippines.
3000	Security Cancellations - Are They Precancels?	Howe	Precancels, Oct/Nov 1959, 6, (1), 11.	Follow up to 2999, regarding the status of security overprints.
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