LIBRARY ABSTRACTS

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

Where the library number is a link (underlined) clicking on it will show a scan of the item (in pdf format).

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.

A note about copyright:
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.
All other items available as pdf files on this page are either copyright The Perfin Society or are believed to be out of copyright. If you are the copyright holder for any item linked from this page and you object to the use of your material in this way please ""

No.	Title	Author	Publishing Details	Description
1001	Story of "Perfins" Recounted	Misegades, K.	Linn's Stamp News, Jan. 29th, 1962
1002	Want to Sell Your Perfins ?	Misegades, K.	Linn's Stamp News, Jan. 29th, 1962
1003	Perfin Collecting Featured. Perforated Initial Stamps used in nearly 100 nations; Society Devoted to Speciality.	Jung, J. R. Jr	Linn's Stamp News, Apr. 30th, 1956
1004	Answers to the 2 Most asked Questions Relating to Collecting of Perfins	Anon	Linn's Stamp News, Apr. 30th, 1956	0
1005	Thievery, pilfering Parents of Perfins	Sperring, R.	Linn's Stamp News, Dec. 15th, 1969	0
1006	The "How" of Dressing Up a Collection of Perfin	Savage, D. L.	Linn's Stamp News, Dec. 15th, 1969	0
1007	Perfins Stamps are Featured. Perforated Initials Stamps Speciality of International Society; Material Plentiful	Crosby, F.	Linn's Stamp News, Dec. 30th, 1957	0
1008	The Mounting of Perfins	Regnier, C.	Linn's Stamp News, Dec. 30th, 1957	0
1009	Collecting British Perfins	Bowman, R.	Linn's Stamp News, Dec. 30th, 1957	0
1010	Building a Perfin Collection Confined Exclusively to the 3c Stuart Washington of 1932	Milburn, O.	Linn's Stamp News, Dec. 30th, 1957	0
1011	Various Federal, State and Local Area Governments Use Perfins for Official Franking	Pickop, E. M. and Miseegades, K.	Linn's Stamp News, Dec. 30th, 1957	0
1012	Perfin, Precancel Collecting Joined	Pritchard, R.	Linn's Stamp News, Dec. 30th, 1957	0
1013	Perfin Stamps Offer Variety	Pritchard, R.	Linn's Stamp News, Dec. 30th, 1957	0
1014	Perfins Can be Shown Easily and Inexpensively	Jones, R.	Linn's Stamp News, Dec. 30th, 1957	0
1015	How Much Value Do Perfins Have ?	Regnier, C.	Linn's Stamp News, Dec. 30th, 1957	0
1016	Suggestions on Topical Perfins	Ferguson, H.	Linn's Stamp News, Jan. 25th, 1965	0
1017	Holes Tell all in Perfin Field. Collecting Stamps Perforated with Users' Initials Provides Assortment of Philatelic Fun	Misegades, K.	Linn's Stamp News, Jan. 25th, 1965	0
1018	Perfins Great Field for Tyro G-Man with Yen for Hunting the Elusive; One Man's Story	Ferguson, H. E.	Linn's Stamp News, Jan. 25th, 1965	0
1019	Collecting Perfins Means Making Decisions	Shortguy, H.	Linn's Stamp News, Jan. 25th, 1965	0
1020	The Official Perfins of Great Britain	Bowman, R.	Linn's Stamp News, Jan. 25th, 1965	0
1021	Why Not Dress Up Your Perfin Collection ?	Swenson, C. M.	Linn's Stamp News, Jan. 25th, 1965	0
1022	Just What Are My Perfins Worth ?	Anon	Linn's Stamp News, Jan. 25th, 1965	0
1023	Why Perfins - - Another View	Godfrey, A.	Linn's Stamp News, Jan. 25th, 1965	0
1024	Sharp Eyes Big Help In Perfin Collecting	Murray, L. R. and Misegades, K.	Linn's Stamp News, Jan. 25th, 1965	0
1025	Why Perfins ?	Giddis, A. N. and Owen, L.	Linn's Stamp News, Jan. 25th, 1965	0
1026	On Mounting Perfins	Werst, J. P. and Englund, K. L.	Linn's Stamp News, Jan. 25th, 1965	0
1027	Perfins Valuable Aid in Topical Collecting	Murray, L. R.	Linn's Stamp News, Jan. 25th, 1965	0
1028	Revenue Perfins !	Mongan, A.	Linn's Stamp News, Jan. 25th, 1965	0
1029	The Perfins of France	Prins, J. C.	Linn's Stamp News, Jul. 29th, 1968	0
1030	Perfin Collecting "Holey" Hobby. SpecialistsResearch Reveals Holes are "Whole Kick" in Perforated Initials in Stamps	Misegades, K.	Linn's Stamp News, Jul. 29th, 1968	0
1031	Questions and Answers About Perfin Collecting	Anon	Linn's Stamp News, Jul. 29th, 1968	0
1032	Danish Perfins	Andersen, P. H. W.	Linn's Stamp News, Jul. 29th, 1968	0
1033	How Perfins are Cataloged; Symbols, Diagrams Explained	Lougee, K. F.	Linn's Stamp News, Jul. 29th, 1968	0
1034	The Value of Perfins	Woolley, R. L.	Linn's Stamp News, Jul. 29th, 1968	0
1035	P.S. What'n Balzes Is A "Perfin"	Hapgood Parks, G.	Linn's Stamp News, Jul. 29th, 1968	0
1036	Identical Perfin Designs on U.S., Canadian Stamps	Wooley, R. J.	Linn's Stamp News, Jul. 29th, 1968	0
1037	How it all began and what to do about Specialized Field of Collecting Told by Enthusiast	Misegades, K.	Linn's Weekly Stamp News	0
1038	Cataloging, Identifying Of Perfins In England Handled by Interested Study Group	Bowman, R.	Linn's Stamp News, Apr. 30th, 1956	0
1039	Supplement to Your Collection	Regnier, C. H.	Linn's Stamp News, Apr. 30th, 1956	0
1040	How Would You Protect Your Postage	Misegades, K.	Linn's Stamp News, Apr. 30th, 1956	0
1041	Perfins Fit Well Into a Topical Collection	Van Lint, V. J.	Linn's Stamp News, Apr. 30th, 1956	0
1042	The Canadian "O.H.M.S." Officials	Wrigley, R.	Linn's Stamp News, Apr. 30th, 1956	0
1043	Important Facts Disclosed By Study Of Differences Between Perfins of Various Countries	Anon	Linn's Stamp News, Jul. 29th, 1963	0
1044	Semiofficial Perfins Of The United States	Anon	Linn's Stamp News, Jul. 29th, 1963	0
1045	Perfin Collecting; Some exceptions	Shortguy, H.	Linn's Stamp News, Jul. 29th, 1963	0
1046	Perfin Fans Collect The Holes. Perforated Initials on Stamps Afford Interesting Study Area; Are Record of World Progress	Misegades, K.	Linn's Stamp News, Jul. 29th, 1963	0
1047	The Library of The Perfins Club	Anon	Linn's Stamp News, Jul. 29th, 1963	0
1048	On Soaking Perfins	Misegades, K.	Linn's Stamp News, Jul. 29th, 1963	0
1049	Perfins Perforating Machines' Background, History Reported	Anon	Linn's Stamp News, Dec. 15th, 1969	0
1050	Stamps With Holes Offer Specialization	Voorhaar, F. R.	Linn's Stamp News, Dec. 15th, 1969	0
1051	Speciality Features 'Holes' In Stamps	Mewhinney, R. L.	Linn's Stamp News, Dec. 15th, 1969	0
1052	Private Perforations On Schermack Type III Coils	Nichol, A. V.	Linn's Stamp News, Dec. 15th, 1969
1053	Only One Perfin Postal Card Known	Gault, P.	Linn's Stamp News, Dec. 15th, 1969
1054	Offical Reviews Perfins Club Aims and Catalog	Anon	Linn's Stamp News, Dec. 15th, 1969
1055	Chicago Perfins Detailed	Savage, D. L.	Linn's Stamp News, Dec. 15th, 1969
1056	Perfins Group Plans New Danish Perfin Catalog	Anon	Linn's Stamp News, Dec. 15th, 1969
1057	Confessions Of An Ex-Stamp Widow	McKee, O.	Linn's Stamp News, Jul. 29th, 1963
1058	Perforating Machines and How they Operate	Misegades, K.	Linn's Stamp News, Jan. 29th, 1962
1059	Speaking Of Average, Plus	Snow, R. A.	Linn's Stamp News, Jan. 29th, 1962
1060	The Library Project Of The Perfins Club	Marcuse, M. J.	Linn's Stamp News, Jan. 29th, 1962
1061	Why I Specialize In the General Collecting Of Perfins	Shortguy, H.	Linn's Stamp News, Jan. 29th, 1962
1062	Adventures In Exhibiting Set Forth By Perfin Fan; Subject Gets Attention, Holds Interest	Stump, D. C.	Linn's Stamp News, Jan. 29th, 1962
1063+	Austria Perfins	Nussbickel, J.J.	pub. 1991	pp 158
1064+	The World Perfins Catalog - The Americas Section	Schwerdt, R.J.	Perfins Club, 1992	Illustrated catalogue for territories of Central and South America, including revenues. With identities. pp 91
1065+	Catalog of Romanian Perfins	Eros, Laszlo	Perfins Club, 1989	Catalogue of Romanian perfins, with illustrations and identities. Inlcudes a 2000 supplement by Tony Llewellyn-Edwards.
1066+	Canada Tagged Stamps	Rose, K	Rose, Ken, pp. 33	Tagged meaning phosphor type bands, not perfinned!
1067	Canada-Perforated Initials found on Canadian Stamps	Jephcott, C.M.	Collect. Club Philat. 30, (5) 239-44 281
1068	Perfins on the 1898 Map Stamp	Hanes, A.D.	BNA Top. Jun-Jul 1975, 32, (6) 151-2	0
1069	On His Majesty's Service	Persinger, V.	BNA Top., May 1951. 8, (5) 113-6
1070	Saskatchewan Law Stamps	Calder, J.A.	Collect. Club Philat. Jan 1924 3 (1) 28-36
1071	Canada Officials O.H.M.S. Stamps	Wrigley, R.	Canadian Philat., Apr. 1956 2, (4) 3-5
1072	Railway Perfins - Part 1	McAdam, G.	Stamps, Oct. 1982, 3, (8), 35, 37
1073	Railway Perfins - Part 2	McAdam, G.	Stamps, Feb. 1983, 4, (2), 75, 77
1074	Sideline	Burrows, M.J.	Railway Philat., Dec. 1968, 3, (1), 22-3
1075	Great Britain Official Stamps	Edwards, T.A. and Lucas B.C.	Modern Postal History J., Spring 83, 1, (3), 25-27
1076	British Coil Stamps - Part 6 Coil Stamp Characteristics and Identification	Homer-Wooff, G.H.R. and Jones, P. J.	G.B. J., Jan. 1978, 16, (1)
1077	Great Britain "Official" Stamps	Williams, L.N.	Overprinter, 1979, (2), 17-22
1078	G.B. Stamps Punctured C of A	Page, E.L.	Stamp Collect. Jan 8th 1954 81 (17) 581-2
1079	City of London	Edwards, A. and Lucas, E.	Stamp Mag., Sep. 1985, 59, (9), 50-51
1080	The Official Perfin	McAdam, G.	Stamps, July 1982, 3, (5), 79, 81
1081	Great Britain Official Stamps	Edwards, A.	Stamp Mag., July 1983, 49, (7), 72-3
1082	First "Officials" were Perfins	Willams, L.N.	Stamp Collector, February 27 1984, 7A	0
1083	Perforated Officials of Great Britain and Colonies to 1939	Gunthorp, Horace	Am. Philat., Oct. 1944, 58, (1) 34-40
1084	Chancery of Lancashire Stamps	Brown, A.F.	Cinderalla Philat. Oct 1983 23 (4) 92-4	0
1085	Perfin Collecting ... Specialisation	Edwards, Tony and Lucas, Betty	Stamps and Foreign Stamps, Jan. 1984, 42-43	0
1086	Board of Trade Officials	Berstein, I.J.	Collectors Annual of 1907.
1087	British Coil Stamps - Part 5	Homer-Wooff, G.H.R. and Jones, P. J.	G.B. J., Nov. 1977, 15, (6) 118-124
1088	Great Britain Postal Stationery with Perforated Initials	Huggins, A.K., Thornton Mary E.	Cinderella Philat. Oct 1966 6 (4) 76-80
1089	Great Britain Postal Stationery with Perforated Initials	Huggins, A.K.	Cinderella Philat. Oct 1965, 5, (4) 65-7
1090	Perfins	Collins, P.	Philat.-P.J.G.B Sep/Oct 1986 6, (5) 203-4
1091	The First GB Stamp Books	Hills, S. L.	Philat. Bull., 8, (2), 8-10
1092	Whole Name Perfins	Sterckx, A.	Stamp Collect. 5th May 1983 147 (6) 180-1
1093	Introducing Perfins	McAdam, G.A.	Stamps, Jan. 1982, 2, (11) 51, 53
1094	Collecting Perfins - Getting Started	McAdam, G.	Stamps, Apr. 1982, 3, (2) 53, 55
1095	Rolls and Quantities	Muir, D.	Stamp Mag., Jul. 1987, 53, (7), 62-5
1096	G.B. Heads and Tails - TWA Perfin	Alexander, J. & Crawford	Stamp Collect. 11th June 1981, 141, (11) 841, 843
1097	Spifs	The Editor, Stamp Collector's Fort	Stamp Collector's Fort., 53, (1364), Jul. 5th 1947 149-150
1098	Gems from the R M Phillips Collection XLX Two Values of the 1887 "Jubilee" Issue	Rigo De Righi, A.G.	Philat. Bull., Oct. 1977, 15, (2), 3	Illustration of a piece dated 4 Jan 1887, showing a perforated plate proof of the Jubilee 4d with experimental Jubilee line rule. Most unusually,this proof is perforated DLR.
1099	Bundles of "Penny Lilacs"	Gould, A.E.	Br. Stamps Oct. 1982, 13, (5), 59, 61
1100	Stamp World - Readers Letters - National Stamp Day	No author	Stamp World, 9th July 1987, 1, (5), 51
1101	Board of Trade Stamps - Guildhall Stamps	No author	Philat. Supp. Bazaar, Nov. 8th 1899, 15	0
1102	Board of Trade Officials	No author	Philat. Supp. Bazaar Dec. 13th 1899, 27
1103	Board of Trade Official Stamp	No author	Philat. Supp. Bazaar Oct. 11th 1899, 3
1104	Board of Trade Stamps	No author	Philat. Supp. Bazaar Feb. 14th 1900, 43	0
1105	Octogenarian Officials	Hamilton, Patrick	Stamp Collect, Mar 22nd 1963, 100, (3) 109-13	0
1106	Official Oddities	No author	Philat. J. G.B., Sep 1980, 90, (3) 70-1
1107	B.T. Perfins	Lowe, R.	Philat. & P.J.G.B. Feb 1981, 49, (1) 28
1108	Great Britain - Office of Works	No author	Gibbons Stamp Wkly, 21st Dec 1907, 6, (25) 390-1	0
1109	Board of Trade Stamps	Jackson, Capt. H.T.	Cinderella Philat., Apr. 1981, 27-34
1110	Embossed Stamps with Advertising Rings	Huggins, A.K.	G.B. J., Dec. 1965, 5, (5) 75-77
1111	Occasional Notes - Board of Trade	No author	Br. Philat., June 1931, 24, (4), 32
1112	Are Perforated Officials Collectable	No author	Stamp Collect. Fort., Sep. 10 1904, 10, 110
1113	B. of T. Perfins	No author	Philat. J. G.B. Dec 1980, 90, (4) 92
1114	Perforated Officials	No author	Philat. Mag., Oct 20, 1944, 481
1115	Here is your Answer - Stationery Office	No author	Philat. Mag. Apr 9, 1943, 183
1116	Official "Punst" of the United Kingdom	Dixon, F.E.	Stamp Collect., May 24th 1963, 403
1117	Great Britain - Perforated Official Stamps	Chandler, J.H.	Stamp Collect., Oct. 30th 1953,
1118	Perforated Officials	No author	Philat. Mag., 10th Aug. 1945, 344
1119	Catalogue of Perfins 1924-1925, British Empire Exhibition Stamps	Nelson, John	The Perfin Society, 1993, pp. 16
1120	Perforated Official Stamp Problems	No author	Philat. Mag., 5th May 1944,
1121	Commercial Perfins of Australia	Grant, J. and Mathews, J.	Private Publication, 1992, pp. 294	Duplicate of 2002.
1122	An Interesting Variety of the O.S. N.S.W. Punctured Stamp	Rostron, H. and Owen, G. E.	Aust. Stamp Mon Feb 2 1948 19 (2) 95
1123+	Les Timbres Francais Perfores Vol VIII (10th and 11th Lists)	Lebland, Colonel G.	Pub. by Monde des Philatelistes, 1975
1124	Chapter 14 - Officials (Australia)	pp 203-210	Bibliographic details unknown.
1125	The O.S. Stamps of New South Wales	No author	London Philat., 1897, 6, 41-48
1126	Purloined Government Stamps	No author	Aust. Philat. Jul 1st 1905 11 (11), 140-1
1127	Australasia	No author	Aust Philat Aug 1st 1905 11 (12), 150-1
1128	Punctured Official Stamps	No author	Aust Philat Aug 1st 1905 11 (12), 146-9
1129	O.S. - Queensland	No author	Aust. Philat., Sep 2nd 1907, 14, (1), 12
1130+	Catalog of Bavarian Perfins	Needham, J.L.	US Perfins Club - 1990	pp 72
1131	Bavaria - Official issues for use by the Bavarian Railroads	Bohne, W.M.	Reference Manual of Forgeries, German Philatelic Society, U.S.A.
1132	The Semi-Official Perfins of Bavaria	Prins, Jan	No publishing details	0
1133	Perf. Officials - Bavaria	Hamilton, Patrick	Stamp Collect. Fort., Feb. 9th 1952
1134	Bayern	Munk, H.	Kohl-Briefmarken Handbuch 2nd Ed. Vol 1, 1926
1135	Jamaica Journal	James, Hugh	Stamp Collect. 5th Jan 1984 148 (15) 523
1136+	Swedish Perfins	Bergman, Leif	Scan. Int. Philat., Apr 1973, 3, (2), 46-54
1137	Swedish Perfins	Bergman, L.	Private Communication
1138	Tunis - Postage Due Precancels 1888- 1901	Coles, C.W.E.	No publishing details
1139	Tunis	No author	Philat. Rec. Jan 1889, 11, 9, & Feb. 1889, 11, 31
1140	The Perfins of Palestine	Posner, H.J.	BAPIP Bull. Jan. 1967, (54), 18-20
1141	The Fiscal Stamps of North Borneo	Koeppel, A.	Am. Reven., Dec. 1973, 27, (10) 176-7
1142	Perfins of Norway	No author	Perf. Bull., Oct. 1969
1143	Norwegian Private Perfins	Dehli, E.	Scan. Int. Philat., Jan. 1972, 3, (1), 16-21	Previously numbered 1397
1144	Norwegian Private Perfins (II)	Jones, T.A.	Scan. Int. Philat., Apr. 1972, 3, (2), 39-40
1145	Nordic Perfins	No author	Scan. Int. Philat., Jun. 1972, 3, (3), 79-80
1146	Cape of Good Hope "Official" Stamps	Kassar, S.	South African Philat., Nov. 1946, 178
1147+	The Perfins of Ceylon	Ellis, Albert	pub. CSC Bulletin 1980	pp 16
1148	The Perfins of Mexico - Help Wanted	Walker, F. A.	Mexicana, Jan. 1981 30, (1), 9-10
1149	The Perfins of Mexico - Help Received	No author	Mexicana, Apr. 1981 30, (2), 41-42
1150	Anagraph of Union "Spifs"	Sydow, A. H.	South African Philat., Jan. 1952, 13
1151	On SPIFS	Bulger, E.	South African Philat., Oct. 1949, 166
1152	SPIFS	No author	South African Philat., Jan. 1948,
1153	A Look at Perfins Evidenced by Mauritius	Ibottson, P.	Stamp Lover, July/Sep 1976 68 (3) 240-2
1154	Aspects of Collecting Mauritius	Ibbotson, P.	Stamp Collect., 19th Mar. 1981, 140, (12), 951, 953, 955 & 959
1155	The First Punctured O.S. Stamps	No author	Commonw. Aust. Philat. Bull., Feb. 1954
1156	Australia's federal 'OS' Perfins 1913-21	Ball, C. T & Belknap, T. L.	Philat. Mag., Sep. 1978, 811, 813
1157	Queensland High Values	Griffiths, A.	Stamp Mag., July 1992, 61-65
1158	The O.S. Stamps of New South Wales	N.S.W. and Crown	London Philat., 1897, 6, 3-5
1159	The Newspaper and Parcel Stamps of Queensland	Johnson, A.	No publishing details
1160	Private Perfins	No author	No publishing details
1161	Tasmania - The Perforated Officials and Other Punctures	Ingles, O.G.	Philat. Aust. Dec 1967 19 (4) 91-4
1162	Western Australia - Punched Holes	No author	Postage Stamp, 26th Dec 1908, 8, (13)
1163	The Other side of the Picture - Victoria	No author	Philat. Aust., Jun 1969, 21, (2) 33
1164	Great Britain 1½d King Edward VIII punctured C of A	No author	Philat. Aust. Jun 1970, 22, (2) 57
1165	Tasmanian Convict Cover	Jaffe, P.	Philat. Aust. Jun 1959 11 (2) 70-1
1166	Australian States Punctured Officials	Leguen de Lacroix, G.	Stamp Collect., Sep. 6th 1957, 780-1
1167	State Punctured Officials	Rostram H. and Owen, G.E.	Aust. Stamp Mon., Jul 1st 1948, 508 : Stamp Collectors Dig., Nov. 1948, 9
1168	The First Issue of the Australian Commonwealth, 1913	Bird, R.J.	Stamp Lover May 1936 28, (12), 367-9	0
1169	Australian Commonwealth - The First Punctured "OS" Stamps	No author	Stamp Mag., May 1954, 369
1170	State Government Officials	No author	Aust. Stamp Mon., Dec. 1st 1947, 913
1171	Query 165 - O.S. Perfins	Smith, I.P.	Bull.-Br.Soc. Aust. Philat. Sep 1975, 30, (6), 65-6
1172	N.W.P.I. - A tentative Catalogue of.	Godwin, G.V.H.	Bull. - Aust. Commonw. Spec. Soc. G.B., Feb. 1958, 13, 447-452
1173	Queries and Replies	No author	Bull. - Aust. Commonw. Spec. Soc. G.B., Nov. 1946, Feb 1947, Mar 1947, Aug 1947
1174	Queries and Replies	No author	Bull. - Aust. Commonw. Spec. Soc. G.B., Mar. 1947, Apr 1951
1175	Punctured Official	No author	Bull. - Aust. Commonw. Spec. Soc. G.B., Dec. 1949, Jan 1950
1176	A/C Stamps Punctured "A"	No author	Bull. - Aust. Commonw. Spec. Soc. G.B., Feb. 1951, 97
1177	Australian Punctured State Officials	No author	Bull. - Aust. Commonw. Spec. Soc. G.B., May 1956, 11, 280
1178	Australia's Federal OS Perfins, 1913-31	Ball, Charles T, & Belknap, Thomas L.	S.P.A. J., May 1975, 37, (9) 577-81
1179	Australian Punctured Officials O.S.N.S.W.	No author	Stanley Gibbons Mon. J. Nov 1926 34-35
1180	Punctured "O.S." Stamps	No author	Aust. Philat. Dec 1st 1904, 11, (4), 46
1181	New Issue and Discoveries - Australasia	No author	Aust. Philat. Dec 1st 1904, 11, (4), 50
1182	New Issue and Discoveries - Australasia	No author	Aust. Philat. Apr 1st 1905, 11, (8), 102
1183	S.A. Official Perforated Stamps	No author	Aust. Philat. Apr 1st 1905 11, (8), 105-6
1184	Pen Marking of Postage Stamps	No author	Aust. Philat. Jul 1st 1905 11 (11), 133-4
1185	Australian Punctured Officials	No author	Aust. Philat. Oct 1st 1907, 14, (2), 17-8
1186	Correspondence to the Editor	No author	Aust. Philat. Nov 1st 1907, 14, (3), 39
1187	Punctured Officials - Additions	No author	Aust. Philat. Jan. 1st 1908, 14, (5), 65
1188	Punctured Officials - Additional List	No author	Aust. Philat., Apr. 1st 1908, 14, (8), 102
1189	The Punctured Officials of New South Wales - Part 1	Cerebos	Aust Philat Jul 1st 1908, 14, (11), 134-9
1190	The Punctured Officials of New South Wales - Part 2	Cerebos	Aust Philat Aug 1st 1908 14 (12), 147-9
1191	Punctured Official Stamp	No author	Aust. Philat., Dec. 6th 1915, 22, (4), 54
1192	New Issue and Discoveries - Australasia	No author	Aust. Philat., Mar 6th 1916, 22, (7), 103
1193	Notes from the Old Country	Ingram, Derek	Aust. Philat Jul 5th 1916 22 (11), 173-5
1194	British Stamps Punctured "C of A"	No author	Aust. Philat Jul 5th 1916 22 (11), 177-8
1195	New Issue and Discoveries - Rabaul	No author	Aust. Philat., Sep. 6th 1919, 26, (1), 3
1196	Papuan "O.S." Stamps	No author	Aust. Philat., Oct. 9th 1919, 26, (2), 25
1198	New Issue and Discoveries - New South Wales	No author	Aust. Philat., Dec 10th 1908, 15, (4), 41
1199	Australian Punctured Officials	No author	Aust. Philat., Oct. 10th 1908, 15, (2), 16
1200	Australian Official Perfins	No author	Andersen, D.W. 1987, pp. 51	Duplicate of 2003.
1201+	Catalogue of Sloper's Wartime Provisionals	Gault, Roy	Published by the Perfin Society, 1992
1202	Perforated Initials	Harnden, George H.	Wkly Philat. Gossip June 13th 1936, 453-4, 460; June 27th 1936, 532-3; July 11th 1936, 603-4; July 25th 1936 669-70
1203	Specializing The 3c Stuart Perfin	Milburn, Orville H.	Linn's Wkly. Stamp News, 28th Feb 1955	0
1204	A Chinese Perfin	Davey, Paul	Perf. Soc. Bull., Dec. 1992, (261) 6-7
1206	Expert Identifies Perfin Specimen	Anon	Linn's Wkly. Stamp News
1207	Perfin Precancels	Cummings	Perfin Club, 14th April 1972
1208	Letters to the Editor	No author	Am. Reven., March 1977, 31, (3), 26
1209	Arizona Perfins	Pfalser, I.L.	Arizona Philat. Sep. 1972, 14, (9)
1210	Registry Markings of U.S. Expositions	Crow, Ray B.	Am. Philat., Sep. 1976, 90, (9), 665-7
1211	Perfin Patterns Used by the State of Michigan	Lougee, K.F.	No publishing details
1212	The Perfin of Hawaii - T.H.	Pickop, E.M.	Perf. Bull., May 1961	0
1213	United States Perfins used by Steamship Lines & Shipbuilding Companies	Swenson, C.M.	Perf. Bull., Feb. 1967	See also 3006.
1214	United States Perfins used by Newspapers, Magazines, Journals, Publishers and Dealers	Swenson, C.M.	Perf. Bull., Feb. 1967	See also 3003.
1215	Kansas Precancel Perfins	Pfalser, I.L.	Kansas Precan. News, Apr/May 1974, -196	0
1216	Of "Perfins" and "Precancels"	Findley, Alex. G.	Linn's Wkly Stamp News, 27th July 1964
1217	Vermont Perfins	Pfalser, I.L.	Vermont Philat., Aug. 1974, 19, 6-7
1218	Perfins and Precancels	Findlay, Alex. G.	Western Stamp Collect., Aug. 7th 1971
1219	New Jersey uses Perfins to Control Postal Use	Jackson, Paul T.	Linn's Wkly Stamp News	0
1220	Perfins: A Synonym for Fun	Jung, Jo Ro Jr.	Wkly Philat. Gossip, Nov. 1st 1952, 270-2
1221	Scaling Musical Field through Perfins	Spencer, Albert	Linn's Stamp News, Aug. 21st 1978, 70
1222	US Perfins	Jackson, Paul T.	No publisher	pp1
1223	New Jersey uses Perfins system to control Departmental Requests	Jackson, Paul T.	Linn's Wkly Stamp News, Sep. 29th 1975
1224	Texas Perfins	Pfalser, I.L.	Texas Philat., Jul/Aug. 1972, 20, (6), 81-3
1225	State of Michigan Perfins	Edmunds, Larry M.	SPA J., Nov. 1958, p. 135
1226	The Holes are Chic	Pfalser, I.L.	New Mexico Philat., Oct 1972 25, (2) 25-6
1227	Chicagoland Perfins	Pfalser, I.L.	No publishing details
1228	Illustrations of Symbols used	No author	State Revenue Newsletter, July 1975, 15, (4), 58	pp1
1229	Schermacks Challenging to Collect	McNabb, Betty W.	Linn's Wkly Stamp News, Mar. 1975, 48, (12), 24
1230	Illinois Perfins	Pfalser, I.L.	Illinois Post. Hist., New Series, 1975 - 1
1231	Perforated Initials	No author	Malta Newsl., Jan. 1961, 3, (6), 63-4
1232	Perforated Initials	No author	Malta Newsl., Aug. 1959, 3, (2), 14	Two different perfins are reported on Maltese stamps.
1233	HIS and "A.M.B."	Guess, Arthur L.	Malta Newsl., Sep. 1961, 3, (8), 90
1234	Victorian Code Letters and Perforated Initials	Guess, Arthur L.	Malta Newsl., Jan. 1961, 3, (6), 63-4
1235	M.A.G.C. not "M.M.C.C."	No author	Malta Newsl., Jan. 1972, 7, (5), 80	0
1236	Perforated Initials	No author	Malta Newsl., Dec. 1959, 3, (2), 24
1237	Malta Revenue Stamps	Smeed, Graham	Stamp Collect., 31st Jul. 1980, 138, (5) 435-6
1238	Canal Zone Official Perfins	No author	Perf. Bull.
1239	Canal Zone - Official Stamps	No author	Spec. Catalogue of United States Stamps 1971, 49th Edn. Scott Publishing Co. N.Y. 1970
1240+	Perfins of British Malaya	Giffen, P.	pub. 1989	pp 32 (very small format)
1241+	Catalogo de Sellos Perforados de Espana	Florentino Perez Rodriguez	1983 - Florentino Perez Rodriguez	1983 - Florentino Perez Rodriguez - pp 65
1242	A Philatelic Trip to Paris	Harris, Robert A.	Philat. Mag., Jan. 13 1956, 64, (1), 11; France & Colonies Philatelist, April 1967, 23, (3), 52	First part seems to be missing in file. Editorial Note concerning possible forgeries of the EIPAPerfin.
1243	Timbres de Roulettes et Perforateurs	Lebland, Colonel	Le Monde Philat., Apr. 1980, (330), 57
1244	Timbres de Roulettes et Perforateurs	Lebland, Colonel	Le Monde Philat., 1979, (319), 24
1245	Timbres de Roulettes et Perforateurs	Lebland, Colonel	Le Monde Philat., Jul/Aug 1979, (322),
1246	The 1930 Air mail of France	Lesgor, Raoul	France Colonies Philat. Jan/Feb 1955 2-3
1247	Beginners Page	The Editor, France Colonies Philat. Soc. Bull	France Colonies Philat. Soc. Bull., Oct/Dec 1969, 19, (3), 12-13
1248	Private Underprints	No author	France Colonies Philat. Soc. Newsl. Jul. 1956, 6, (4), 56
1249	The Perfins of France and Colonies	Prins, Jan C.	France Colonies Philat., April 1967, 23, (3), 50-2
1250	Notes and Queries	No author	France Colonies Philat. Soc. Newsl. Nov 1958, 8, (2) 36
1251	Queries and Replies - K in Double Circle Postmark	No author	G.B. J., Mar. 1971, 9, (2), 25
1252	France - More on the 1930 Perfins	Goodkind, H.M.	Aero Philat., Oct 1956, 4, (2), 53-55
1253	German POL Perforations	Vieth, G.	Bibliographic Details Unknown. 1980 pp. 12-16 S.E.P.S. TRANS. 244
1254	How to use Tables for French Perfins CL & CN and for Italian Perfin CI	No author	No publishing details	The Unlaureted Empire Issues, 1853-1871 Bentley, Wilfred France Colonies Philat. Soc. Newsl. July 1956 6, (4), 55-9
1255	The Unlaureted Empire Issues, 1853-1871	Bentley, Wilfred	France Colonies Philat. Soc. Newsl. July 1956 6, (4), 55-9
1256	Russian Stamps Perforated with Initials	Pritt, B.	Br. J. Russ. Philat. Dec 1973, (49), 32-4
1257	Ukraine Covers	Roberts C.W.	Br. J. Russ. Philat. Oct 1959, (26), 3-6
1258	Notes and Queries	Roberts C.W.	Br. J. Russ. Philat. May 1953, (14/15), 453-4
1259	Notes from Collectors	No author	J. Ross. Soc. Russ. Philat. 1975, (84), 57-9
1260	Cleaning Russain Stamps	No author	J. Ross. Soc. Russ. Philat., 1955, (45), 9
1261	Notes and Queries	No author	Br. J. Russ. Philat., Mar. 1953, (11), 339
1262	News and Views	No author	Br. J. Russ. Philat. Jul. 1974, (50), 50
1263	Philately for Fun - No. 26 - Illegal French perfins	McQueen, Ian	Stamp Collect. 26th Feb 1981 140, (9) 721
1264	Finnish Perforated Initail Stamps	No author	Hollow Tree Jan. 1955, 15, (2), 5
1265	The Tobacco Industry in the Heyday of Perfins	Hill, David	Perf. Soc. Bull., Dec. 1992, (261) 7-9	Duplicate entry “Our Perforated Initial Stamps – Finland” now renumbered 2773.
1266	Finnish Newspaper Stamps	Dromberg, D.A.	Philat. Fennica 22, (3), Luren, 4, (8), 3-5 Translation of an Article in the above publication
1267	Venezuela's Official Air Mails	Kraemer, Henry	Kraemer, Henry	0
1268	Scandinavian Perfins	No author	Am. Reven. Nov 1980, 34, (9) 169-170
1269	Rhodesia Properly Used	Lowe, Robson	Philat. & P.J.G.B. Mar/Apr 1983 3, (2) 78-9
1270	Postal Markings of the Philippines (to 1898)	Comfort, Newton C.	Am. Philat., Mar. 1933, 46, (6), 318-323
1271	Perfins of New Zealand	Anon.	No publishing details	Page 2 missing. See also 2017.
1272	Perfins of New Zealand	Startup, R.M.	No publishing details	0
1273	Australian Punctured Officials - Part 1	No author	Aust. Philat. Feb 10th 1909, 15, (6), 66-8	0
1274	New Issues and Discoveries - Papua	No author	Aust. Philat. Mar. 10th 1909, 15, (7), 79	0
1275+	The Perfins of India and Indian States	Werner, M.	Perfins Club, 1990	Illustrated catalogue of India and states - pp 116
1276	Official Stamps of Papua	Clarke, D.H. Mac C	Philatelist, Sep 1971, 37, (13), 370-3
1277	The Stamps of Papua Perforated OS	Kelly, Ray	P.P.S. Stamp News, Dec. 1971, 14
1278	Australian Punctured Officials -Part 2	No author	Aust. Philat. Mar 10th 1909 15, (7), 81-2
1279	New Issues and Discoveries - Papua	No author	Aust. Philat., Apr. 10th 1909, 15, (8), 93
1280	New Issues and Discoveries	No author	Aust. Philat. May 10th 1909 15, (9), 103
1281	G.R. Punctured Officials	No author	Aust. Philat., Dec. 6th 1913, 20, (4), 51
1282	O.S. Punctured Stamps	No author	Aust. Philat., Feb. 3rd 1914, 20, (6), 80
1283	New Issues and Discoveries - Australia	No author	Aust. Philat., Feb. 3rd 1914, 20, (6), 81	0
1284	Punctured "Officials"	Timbroligist	Aust. Philat May 4th 1914 20, (9), 125-6
1285	New Issues and Discoveries - Australia	No author	Aust. Philat., Sept 3rd 1915, 22, (1), 3
1286	Punctured Officials - New South Wales Wales & Commonwealth	van Weenan, E.D.E.	Aust. Philat. Oct 5th 1915 22, (2), 17-20
1287	New Issues and Discoveries - New South Wales	No author	Aust. Philat., Nov 3rd 1915, 22, (3), 31
1288	Punctured Officials - New South Wales Wales & Commonwealth	van Weenan, E.D.E.	Aust. Philat. Nov 3rd 1915 22, (3), 38-41
1289	Punctured Official Stamps of New South Wales	No author	Aust. Philat., Sept 10th 1908, 15, (1), 6
1290	Australian Punctured Officials	No author	Aust. Philat., Sept 10th 1908, 15, (1), 2
1291	New Issues and Discoveries - Papua	No author	Aust. Philat. May 10th 1909 15, (9), 105
1292	Australian "O.S."	No author	Gibbons Stamp Wkly, 4th Mar. 1905, 1, (9), 148
1293	Collector's Pot-Pourri	Miller, A.	Stamps, February 1981, 1, (12), 87-91	0
1294	Punctured Officials - Kangaroo G/NSW in Current Use	Rostron, H	Bull. - Aust. Commonw. Spec. Soc. G.B., Jul 1958, 13, (4), 493
1295	Letters To The Editor	Kaus, Hurmuz	Philatelist
1296	Letters To The Editor - Punctured	Smith, Col. Leonard H.	Philatelist, Apr. 1969
1297	Collections and Recollections	Davis, Gerald	Stamp Magazine, June 1982, 48, (6), p.86-87	General reminiscences of a schoolboy collector in the 1920s, including the attitude at the time to perfins.
1298	Western Australia	Ewen's Wkly Stamp News,	10th Dec. 1904, 13, (272), 826
1299	Spanish Perfins	Rodriguez, Florentino Perez	Revista de Filatelia, January 1984, 34-36
1300	Sellos Perforados	Garcia, Pere Jean Xifra	No publisher
1301+	Argentine Perforated Stamps	Bose, Walter B.L.	No publisher
1302	Ireland - Catalog of Perfins	Mewhinney, Richard L.	Pub. The Perfins Club, 1984	See also 3020
1303	Irish Spifs or Perfins	Hibernicus	Green Isle Philately, January 1955 p.115	See 1306 for a follow-up.
1304	Dublin Spifs	Dixon, F.E.	Green Isle Philat.,	0
1305	The Perfins of Ireland	Leonard, M. & Wright, N.	SEPS Bull., July/August 1972	0
1306	More Irish Spifs or Perfins	Hibernicus	Green Isle Philately, May 1955 p.200
1307	Irish Perfins	Gomo, Fred. J.	SEPS Bull., August 1971
1308	Prevention of Theft of Stamps from Letters	No author	Source unknown
1309	The rare perforated "Sarkari" stamps of Hyderabad	Medhora, A.N.	India's Stamp J., Mar. 1974, 37, (3), 49
1310	Perfins of India	Bayanwala, A.K.	India's Stamp J., Jun. 1976, 110-115
1311	Status of Local Overprints	No author	India Study Circle News Bull., May 1962, 12, (57), 1
1312	The Perfins of India and the Indian States	Bartleson, Alfred S.	No publisher
1313	Perfins of India	Enschede, E.J.	No publisher	0
1314	And Now on the Other Foot	Hornung, Otto	Stamp World, 1, (13), Nov. 1987, 18-19
1315	Shot in the Foot	Hornung, Otto	Stamp World, 1, (18), June 1987, 18
1316	Checklist of Wisconsin Perfins	Zass, John H	The Perfins Bulletin Nov 1971, p. 7-8	Unillustrated listing of US perfins known used in Wisconsin, with identities.
1317	Coil Corner	Rohn, Lawrence H.	Netherlands Philat., Sept. 1981, 7, (1)
1318	Roltanding Met Firmaperforatie	Julsen, Frank W.	Stamps, May 27th 1950, 408-409
1319	Straits Settlements and Malay States	Bosley, J.W.	Pub. The Perfin Club
1320	D.D.R. Officials	Scheck, W.	Ger. Post. Spec., Jun. 1962 13, (6) 182-5
1321	Perfins on Cover	No author	Ger. Philat. News Jan/Feb 1977 1, (4), 21
1322	Perfins of Germany	No author	Ger. Philat. News Jan/Feb 1977 1, (4), 20
1323	Collect Damaged Stamps	No author	Ger. Post. Spec., Jun. 1973, 24, (6) 219
1324	Deutches Reich (Flugmarken)	No author	Michel Catalogue, p. 107
1325	FM Perforation - Hessian Government	No author	Ger. Philat. Rev., Mar. 1953, 1, (2), 63
1326	The Prussian Pol Perforations of Post-War Issues	No author	Ger. Philat. Rev. Jan 1953 1 (1), 10-12
1327	Germany - "POL Lochungen"	Bohne, W.M.	Reference manual of Forgeries, German Philatelic Society
1328	The German POL Perforations	No author	Source unknown
1329	Faeroes Islands Cover	No author	Luren, Oct. 1979 11, (10), 6
1330	Danish Perfin Cover	No author	Luren, Jan. 1981 13, (1), 8
1331	Philately for Fun - No. 19	McQueen, Ian	Stamp Collect., 16th Oct. 1980, 139, (3) 243-4
1332	Europage	Ibbotson, Peter	Stamp Collect., 8th May 1980, 137, (6) 699-700
1333	Danish Perfin Cover	No author	Philatelist, August 1979, 45, (11) 337
1334+	List of Danish Perfins	VanLint, Margaret and Victor J, & Enschede, E.J.	Pub. Victor J. VanLint, Nov. 1956	See also 0721.
1335	Review of “Canadian Stamps with Perforated Initials”	No author	Pub. 1955	Contemporary review of item 0127.
1336	P.S. Perfins	Hollow Tree	Canadian Philat., Jul/Aug 1961, 12, (5) 233-5
1337	Canadian Officials	No author	Daggs, T.F.
1338	Canada Corner	Vaughn, Gordan D.	Mekeel's Wkly Stamp News, May 4th 1990, 166, (18), 5
1339	Scope of OHMS Officials Spans Years and Varieties	No author	Linn's Stamp News, Nov. 13, 1972
1340	L.A Perfins	Hollow Tree	Canadian Philat. Nov/Dec 1961 12 (7) 340
1341	O.H.M.S. Perfin Plate No. Blocks	Hollow Tree	Canadian Philat. Sep/Oct 1961 12 (6) 310
1342	Revised List of Canadian O.H.M.S. Issues with all varieties reported as at Sept. 1st 1950	Gordon, W.C.	BNA Top., Nov. 1950, 7, (10), 247-250
1343	How about an OHMS-G Group in BNAPS	No author	BNA Top., Apr. 1951, 8, (4), 79-80
1344	Canada Air and Special Delivery OHMS and G	Wrigley, Roy	Am. Philat. Feb. 1973, 87, (2) 160-2
1345	Perforated and Overprinted Canada Officials	Wrigley, Roy	Philat. Mag., July 13, 1962, 514	Introductory article on the OHMS perfins and overprints of Canada.
1346	Perfin Study group	Wooley, R.J.	BNA Top., Feb. 1969, 26, (2), 40
1347	Perfin Study group	Wooley, R.J.	BNA Top., Mar. 1969, 26, (3), 77
1348	Perfin Study group	Wooley, R.J.	BNA Top., Apr. 1969, 26, (4), 103
1349	Perfin Study group	Drew-Smith, G.	BNA Top. Jun/Jul 1969, 26, (6), 154-155
1350	Perfins on the Commermorative Stamps of the 1924 & 1925 British Empire Exhibition	Nelson, John	Perf. Soc. Bull., Dec. 1992, (261) 10
1351	Perfin Study group - International Harvester	Drew-Smith, G.	BNA Top., Sep 1969, 26, (8) 208-209
1352	Canada OHMS Officials "On Cover"	Wrigley, Roy	BNA Top., Sep 1969, 26, (8) 213-214
1353	Perfin Study group	Wooley, R.J.	BNA Top., Oct 1969, 26, (9) 238
1354	Perfin Study group	Wooley, R.J.	BNA Top., Nov 1969, 26, (10) 269
1355	Perfin Study group	Wooley, R.J.	BNA Top., Dec 1969, 26, (11) 288
1356	Tagging Along	Rose, Kenneth G.	BNA Top., Apr 1975, 32, (4) 90-91
1357	Tagging Along	Rose, Kenneth G.	BNA Top. Jun/Jul 1975, 32, (6) 154-155
1358	Perfin Column No. 7	Dicketts, Michael	BNA Top., Nov/Dec 1980, 37, (6) 14
1359	Perfin Study group - Revenue, Specimen, Official, Perfin	Wooley, R.J.	BNA Top., Oct 1956, 13, (9) 236
1360	Perfin Study group	Wooley, R.J.	BNA Top., Nov 1956, 13, (10) 262-263	0
1361	Perfin Study group	Wooley, R.J.	BNA Top., Dec 1956, 13, (11) 296-297
1362	A Checklist of Perfin Precancels	Findlay, Alex G.	The Perfins Bulletin, January 1972, p. 12-24
1363	Perfin Study group	Wooley, R.J.	BNA Top., Jun 1956, 13, (6) 145-146
1364	Perfin Study group	Wooley, R.J.	BNA Top. Jul/Aug 1956, 13, (7) 179-180
1365	Perfin Study group	Wooley, R.J.	BNA Top., May 1956, 13, (5) 109-110
1366	Trail of the Caribou	Meyerson, Dan	BNA Top., Apr 1956, 13, (4) 84
1367	Perfin Study group - Perfin Puzzles	Wooley, R.J.	BNA Top., Apr 1956, 13, (4) 78-79
1368	Canada Officials	Wrigley, Roy	BNA Top., Apr 1956, 13, (4) 74-76
1369	Perfin Study group	Wooley, R.J.	BNA Top., Mar 1956, 13, (3) 57-58
1370	Perfin Study group	Wooley, R.J.	BNA Top., Feb 1956, 13, (2) 39
1371	Private Perforated Small Queens	Crosby, L.S.	BNA Top., Jun 1951, 8, (6) 153
1372	Comment on O.H.M.S. Article	McNeil, C. Russell	BNA Top., Jun 1951, 8, (6) 134
1373	On His Majesty's Service	Persinger, Vern	BNA Top., Apr 1951, 8, (5) 95-96
1374	Canadian Revenues with Perfin Initials	No author	Van Dam's Rev., Dec. 1982, (41)
1375	OHMS Perforated Stamps Started by Canada in 1923	Wrigley, Roy	Linn's Stamp News, Sept. 1972
1376	Canadian Officials	No author	Stamp Rev., July 1938
1377	Punched Control Markings on SchermackType III Coil Stamps	No author	Perf. Bull.
1378	Perfin Study Group	Woolley, R.J.	BNA Top., 19 , , ( ) 112-113
1379	Damaged Stamps Offer Collectors a Challenge	Dicketts, Michael	BNA Top., 2, (4).
1380	The Perfins of Great Britain	Bowman, Ron	No publisher
1381	Perfins of Hungary	Maxa V. & Malyon, D. & Grof, L.	1974 - Magyar Phil. Soc.	Duplicate of 0073+
1382+	Danske Perforeringer	Hansen, Ostergaard	Private publication, pp. 22
1383	Answers to Correspondents	No author	Junior Stamp World Sep 23rd 1950 1 -12
1384	A Few French Airmail Curiosities	Marsh-Feiley, R.	Stamp Collecting, Jan 13th, 1972
1385	The Fournier Album of Philatelic Forgeries	Ragatz, L	Janet van de Berg, Worthington, Ohio, 1970
1386+	Hungarian Stamps with Official Punching	Ettre, Leslie S.	Pub. The Perfins Club, March 1971
1387	Hungarian Perfins - A Neglected Subject	Ettre, Leslie S.	Stamps Hung., Sept 1972, 2, (5) 29-30
1388	The Location of the Three-Hole Punched Stamps in a Full Sheet	Ettre, L.S.	News Hung. Philat., Aug/Sep 1974, 5, (6), 1-2
1389	Uncatalogued Hungarians	Sisley, M.	Stamp Collect., Apr 16th, 1927 45
1390	Brazil - Why the Holes on these Varig Company Stamps?	No author	Aero Philat. Ann., Apr 1954, 2, (4) 117-8, 120-1	VARIG
1391	The Airmail Bag	No author	Aero Philat. Ann., July 1954, 2, (1) 28	VARIG
1392	Varig - Brazil's First Airline	Ahrens, Werner	Aero Philat. Ann., 1956, 3, (3), 59-73	VARIG
1393	Perforated Officials of Great Britain and Colonies to 1939	Gunthorp, Horace	Am. Philat., 23rd Nov 1944, 34
1394	Catalogo de Los Sellos Postales	No author	6th Edition, Vol 2, 1958, p. 703
1395	Eritrean Telegraph Forms	Kiddle, Francis	Overprinter, 1982, (2) pp. 43-53	PAGATO
1396	Collecting the Classics	Yost, Harold	Wkly Philat Gossip May 9th 1953, 308-10
1397	Curved Perfins on GB Stamps	Gault, Roy	Perf. Soc. Bull., Dec. 1992, (261), 11-12	Number previously allocated to “Norwegian Private Perfins” - now renumbered 1143.
1398	Swedish Perfins	Bergman, Lief	No publisher	An early illustrated listing of Swedish perfins. Pp8
1399	Papua: Dienstmarken mit "OS"	No author	Sammlerdienst Sonderausgabe 19/5/1983
1400	British New Guinea and Papua The De La Rue issues of 1901-07	Kinns, Philip	Gibbons Stamp Mon. Oct 1984 15, (5) 96	0
1401	Catalogus van de perfins van Nederland en OG	Verhoeven, Jan L.	Pub. Perfin Club Nederland, 1991, pp. 305	See also 2016.
1402	The Tomkins Catalogue of Identified G.B. Perfins (6th Edition)	Edwards, Tony	Pub. The Perfin Society of Great Britain, 1985	Duplicate of 1707+
1403	Worldwide Official Perfins	Hungerford	Stamps, Sept. 1986, 28
1404	Perfins, punches form interesting study area	Powers, Alan C.	Linn's Stamp News, 19th Aug. 1974, 47, (33), 49
1405	The Piano and The Posts	Moore, Herbert	Am. Philat.,March 1983, 97, (3), 222-226
1406	The People Versus Nicholas F. Seebeck	Herst, Herman Jr.	Gibbons Stamp Mon. Apr 1982 12 (11) 51-52
1407	The Hole Truth about Perfins	Crow, Ray	Am. Philat., Oct. 1977, 91, (10) 800-6
1408	Questions and Answers	No author	Am. Philat., 93, (10) 933-5
1409	What Price "Perfins"	Van Lint, Victor J.	Perf. Bull., Mar/Apr
1410	Perfins, Spifs or Punches	Van Lint, Victor J.	Perf. Bull.
1411	How Perfins are Catalogued	Lougee, K.F.	Perf. Bull. Jul. 1953, (42), 2
1412	Designs on Perfins	Van Lint, Victor J.	Wkly Philat. Gossip Oct 30 1954 272-4; Nov 27 1954 398-9
1413	Holes in Stamps	Ray, Samuel	S.P.A. J., Aug. 1950, 615-7	0
1414	Perfins: Pleasure Island of Philately	Jung, Jo Ro Jr.	S.P.A. J., Oct. 1952, 65-6
1415	Perfins Club Presents Challenge	Walker, Floyd A.	Linn's Stamp News, Aug. 7 1972.
1416+	The Railway Perfins of G.B. 1st Edition 1972-1975	No author	Pub. Security Endorsement & Perfin Society of G.B.	pp 35
1417	SPIFS	Bein, Charles	West-End Philat., Jan/Feb 1947	pp 3
1418	Specialist Shares Ways to Enjoy Perfins	Savage, Dorothy L.	Linn's Stamp News, Sept. 25th 1972, 80
1419	Mounting Perfins	Lambert, James R.	Stamps, Mar 30th 1957, 466-7
1420	Perforated Initial Stamps used in Nearly 100 Nations; Society Devoted To speciality	Jung, Jo Ro Jr.	Linn's Stamp News,
1421	Assistance Given by Perfins Club	No author	Linn's Stamp News
1422	The Perfins Club	No author	Linn's Stamp News
1423	Perfins - An Old Sideline with a New Name	No author	Hollow Tree, June 1954, 14, (7) 10
1424	Perfins	Mistretta, Paul A.	Am. Philat., Nov. 1984 98 (11) 1114-6	See also 2534.
1425	Once more from the Beginning - How did perfins Prevent Theft	Editor, Am. Philat.	Am. Philat., Jul 1985, 99, (7) 584
1426	Bundles of "Penny Lilacs"	Gould, A.E.	Gibbons Stamp Mon. Jan. 1951, 53
1427	Spifs	Bein, Charles	West End Philat., Jul. 1944 24-5, Oct. 1944 47-8, Jan. 1945, Oct. 1946
1428	Detective Work in Philately	Muggleton, D.J.; Nelson, J.	Stamp Collect., March 13th 1959, 17
1429	How the Illustrated Perfin catalog was Born	Van Lint, Victor J.	Perf. Bull., July 1958
1430	Ideas on Mounting Perfin Stamps for Exhibit	Pritchard, Bob	Perf. Bull.
1431	Stamp Perforation	Letter 28-1-45	No publisher
1432	Philately for Fun	McQueen, Ian	Stamp Collect. 17th Feb. 1983, 146, (21) 771-2
1433	Beta Emission Radigraphy as a New Philatelic Tool	Theimer, Dr. Ernst T.	Am. Philat., July 1983, 97, (7) 620-2
1434	The First International Airpost Exposition	No author	Airpost J., Jan. 1930, 1, (3)
1435	Perfins	Everett, Ray	Stamp Mag. Dec. 1989, 55, (12) 92-93
1436	Beginners Corner - Perfins	No author	Mayflower, Dec. 1983 (106) 30
1437	Check List of British Railway Perfins	No author	S.E.P.S. Bulletin July 1962, pp. 3
1438	The Revenue Stamps of Crete	Giokaris, D. James	Am. Reven., June 1977, 31, (6) 96A- 96B ;Oct 1977, 31, (8), 140A-140D ; Nov 1977, 31, (9), 151A-151D; Dec 1977, 31, (10), 163A
1439	British Europe - BPO in Crete	No author	Philatelist, June 1971	0
1440	Correspondence - Spifs	Allen, C.W.	Aust. Stamp Mon., Nov. 1, 1947, 839
1441	United States Perfins used by Schools, Colleges, Universities and Allied Institutions	Swenson, C.M.	Perf. Bull., September 1967
1442	Postage stamps: miscellaneous regulations	Post Office guide, The Post Office, 1947,	The regulations regarding overprinting and perforating postage stamps are set out as applicable in 1947.
1443	Catalogo Dei Francobolli Di Gran Bretagna - 1974	No author	33rd Edn. Sassone Editrice, Rome p. 781
1444	Papal Visit to Great Britain	Nowicki, W.Z.J.	Philat. "Nuncio" Apr 1983 5 (2) 10, 21, 26
1445	Perfins Positively Prevented Pilfering	The Editor, Am. Philat	Am. Philat., May 1985, 390-1
1446	Stamps Perforated with Initials	No author	Gibbons Stamp Mon., Nov. 1942.
1447	Off the Cuff	No author	Chambers Stamp J. Aug 4th 1947 26 (16)
1448	Editorial Jottings - Spifs	No author	V.P. J., Nov. 1945
1449	United States Perfins used by Railroad Locomotive and Car Manufacturers	Swenson, C.M.	Perf. Bull., June 1968	See also 3005.
1450	Beginners Please - Holed	No author	Stamp Mag., Nov 1990, 56, (11) 81-3
1451	S.P.I.F.	Graveson, S.	Postal History Soc. Bull., Aug 1943
1452	United States Perfins used by Paint, Varnish and Allied Products Companies	Swenson, C.M.	Perf. Bull., June 1968	See also 3004.
1453	Building a Perfin Library	Smith, F. H. B.	SEPS Feb 1968
1454	Chronological Table of Developments in Security Perforations etc.	Jennings, C.	SEPS Bull., Sep 1966
1455	Speciality Has Interesting History; England Had First Use in 1968; U.S. Began 1908	Jung, Jo Ro Jr	Linn's Wkly Stamp News, Feb 1955.
1456	Security Endorsements of Great Britain.	Tilles, Dr. Harvey	S.P.A. J., Mar. 1974, 36, (7), 417-424
1457	Perfins From Foreign Lands	No author	Linn's Wkly Stamp News
1458	Perfins Detract from Stamp Value	No author	Source unkown
1459	Stuarts	No author	Linn's Wkly Stamp News
1460	Topicals are a Perfin Category	No author	Linn's Wkly Stamp News
1461	The Postal Union Congress of 1929	Bailie, Oswald	Stamp Mag., Nov. 1979, 45, (11) 72-4
1462	Our Postcard Column	No author	Ewen's Wkly Stamp News, 16th Jan 1904, 12, 638
1463	How Perfins are Classified and Cataloged	No author	No publisher	pp1
1464	Full Name Perfins	Powell, Dr. R.W.	Stamp Collect., 2nd June 1983, 311-2
1465	SPIFS are Respectable	Taylor, Walt	Philat. Mag., 31st Dec. 1954, p.1021
1466	Holes	Sutton, R.J.	Stamp Mag., Jan 1954, p. 190/201
1467	More About SPIFS	Slocombe, T.H.J.	Philat. Mag., 14th Jan 1955
1468	How to Display Punctured" Stamps	Stitt-Dibden, W.G.	Stamp Collect., Jan 15th 1954, 81, (18) 633
1469	Australian Official Punctures	Bolton, P.W.	Stamp Collect., Sept. 20th, 1957, 44
1470	Introduction to Perfin Collecting	No author	The Perfin Club
1471	Sudan	Byam, W.	London Philat., Mar 1928, 38, (3), 66-67; Apr 1928, 38, (4), 74-79
1472	Ubique	No author	Stamp Collect., Aug. 14th, 1948, 403
1473	Canadian Postal Stationery - Canada O.H.M.S. Officials on Cover	Wrigley, Roy	Philat. Spec. Soc. Canada
1474	Trail of the Caribou - AYRE Perfin	Meyerson, Dan	BNA Top., June 1956, 13, (6) 144
1475	Canadian Philately Supplement	Morin, C.	National Library of Canada, 1983
1476	Collecting Stamps Perforated with User's Initials Provides Assortment of Philatelic Fun	Misegades, Keith	Linn's Wkly Stamp News, 25th Jan. 1965
1477	Toronto firm uses first Perfin	Gronbeck-Jones, David	Linn's Stamp News, Aug. 26th 1974, 47, (34), 37
1478	Canada - Precancel Perfins	No author	Newsl. Precan. Stamp Soc. Aug 1973, 17, (12)
1479	Holes in the Canadian Collection	Carstairs, Dr. M.W.	Stamp Postal Hist. News, Jan 29th - Feb 1 1982
1480	Counterfeits of the First Six Issues of Crete	Thompson, Charles Sidney	Printed by Wkly Philatelic Gossip, 1943
1481	Flash	No author	Ger. Postal Spec. Jan. 1966, 17, (1), 42
1482	Suggested Price-List of 1d Red Plates with Security Endorsements	Jennings, Charles	SEPS Bulletin, May 1962
1483	Some Notes on Security Punctures on the KGV Commemorative Issues	Rymer-Young, K.	SEPS Bulletin,
1484	Perfins on Postal Stationery	Thornton, M.E.	SEPS Bull. Sep. 1962, Feb 1963,	Canal Perfins Thornton, M.E. SEPS Bulletin Sep. 1964 Bibliography of Literature on Firm's and Official Perforations Litschke, P.I. Literatur Nachricten 1969 (58), 126-144 SEPS TRANS. 245
1485	Simplified Catalogue of the Perfins of Great Britain	No author	SEPS 1965 - 1971	An unillustrated basic listing of GB perfins. Pp101.
1486	Cancellation Query – HB/&C perfin	Russell, Harvey J.	GBPS Newsletter, Sept/Oct 2002 p.12	pp1
1487	SPIFS	No author	Postal Hist. Soc. Bull., Jun. 1945
1488	The Perforated Official Stamps of Great Britain	Jackson, Capt. H.T.	Philat. Adviser, June 1950, 13, (6), 13-4 July 1950, 13, (7), 21-2 Aug. 1950, 13, (8), 4-5 Sep. 1950, 13, (9), 19-20 Oct. 1950, 13, (10), 19-20 Nov. 1950, 13, (11), 20-2
1489	The Board of Trade Perfins	Jackson, Capt. H.T.	Stamp Collect., Dec. 7th 1962, 471-3
1490	The Board of Trade Perfins	Jackson, Capt. H.T.	Stamp Collect., Dec. 14th 1962, 505-7
1491	CA Overprints	Bein, Charles	Philatelist, Sept. 1946, 12, (12) 333
1492	Basic List of India & Cochin Perfins	Burrows, Michael J.	No publisher
1493	Perfin Study Group	Wooley, R.J.	BNA Top., Feb 1954, 57
1494	A Preliminary Listing of G.B. POKO's	Skinner, Harry & Gault, Roy	Pub. The Perfin Society	Duplicate of 2031+.
1495	Security Endorsements	Powell, R.W.	GB J., Jan. 1975, 13, (1) 14-5
1496	K in Single Circle Perfin	Whitehead, Eric	G.B. J., July 1971, 9, (4), 65
1497	Perforated Initials	No author	Br. Philat., Feb. 1926, 18, (12), 98
1498	G.B. Heads and Tails	Alexander, Jean and Crawford	Stamp Collect., 27th Mar 1980, 136, (13) 1405-6
1499	Jumped Combs	No author	Philat. J. G.B., Sep. 1973, 59
1500	The Departmental Overprints of Great Britain	Trinder, Ivan F.	Philat. J. G.B., Dec. 1979, 89, (4) 87-8
1501	The Stamps of Great Britain Perforated "NZ"	No author	Captain Cook, Mar 1975, 3, (6), 218-222
1502	Security Endorsements Of Great Britain	Jennings, C.	Stamp Collect., Nov. 23rd, 1956, 331-3; Nov. 30th, 1956, 371-3
1503	The Municipal Arms Type Perfins	Nelson, J.	SEPS Bull., March 1966	0
1504	Great Britain - The Penny Red of 1864	Whitehead, Dr A.E.	Am. Philat., Feb. 1928, 41 (5) 327-341
1505	Czechoslovakia - Misuse of Perfins	Maxa, V.	Cinderella Philat., July 1973, 54-56
1506	Thief-Proof Stamps and True Philately	Ward, G.	Unknown Publication pp. 1-4 A short essay describing methods used to "thief-proof" the stamps of Great Britain. Both underprints, private overprints and perfins are covered.
1507	Victorian Government Perfins	Elford, J.E. Dean, J. & Toop, B.	2nd Edition, November 1982, pp. 24.	The second edition of the definitive catalogue covering the Victorian Government Perfins. The catalogue details all known stamps bearing the four different die types and the different positions found. See also 3007.
1508	Victorian Government Perfins	Toop, B.	3rd Edition, September 1984, pp. 34.	The third edition of the definitive catalogue covering the Victorian Government Perfins. The catalogue details all known stamps bearing the four different die types and the different positions found. See also 3008.
1509	Victorian Government Punctures	Toop, B.	4th Edition, January 1988, pp. 47.	The fourth edition of the definitive catalogue covering the Victorian Government Perfins. The catalogue details all known stamps bearing the four different die types and the different positions found. See also 3009.
1510	Sloper and Stamp Security	Nelson, J. S.	Stamp Collect., Apr. 3rd, 1964, 197-9	0
1511	The Birthright of "Perfins"	Jennings, C.	Stamp Collect., Sep. 23rd, 1966, 157-163
1512	United States Perfins used by Automobile and Allied Companies	Swenson, C.M.	Perf. Bull., June 1968
1513	United States Perfins used by Radio, Movie and Theater Companies	Swenson, C.M.	Perf. Bull. Aug 1968
1514	United States Perfins used by Manufacturers of Items for Milady	Swenson, C.M.	Perf. Bull. Aug 1968
1515	United States Perfins used by Ice, Gas, Coal and Coke Companies	Swenson, C.M.	Perf. Bull. Dec 1968
1516	United States Perfins used by Watch and Jewelry Companies	Swenson, C.M.	Perf. Bull. Dec 1968
1517	United States Perfins used by Chemical Companies	Swenson, C.M.	Perf. Bull.	Unillustrated listing of US perfins known used by chemical companies, with identities. Pp1
1518+	Catalogue of Turkey and Foreign Offices There	Llewellyn-Edwards, Dr. Tony	1993, pp. 3
1519+	A preliminary Listing of Penny Red Plates	Skinner, Harry and Gault, Roy	The Perfin Society	0
1520	The Railways of Great Britain pre 1923	Jennings, Charles.	No publisher The Worlds Oldest Perfin? Brandt, Horst Lochungen, April 1992, (74); Perf. Soc. Bull., Dec. 1992, (261) 13-14
1521	Watch Those Little Holes	Hornung, Otto	Stamp World, (7), 21st May 1987	pp2
1522	The Twopence Blue	Johnson, Robert and Gough, William	Stamp World, 1 (7), 6th Aug. 1987
1523	Perforate the Sperati Forgeries	Blyth, L.Col J.D.	Helvetia Newsl., Jul/Aug 195? (7/8)
1524	Swiss Perfin Stamps	Ganz, Felix	Helvetia Newsl., Jan. 1967, 21, (1)
1525	100 years of Swiss Stamps 1843-1943	Translated by Rosenthal, F.J.	Helvetia Newsl., Apr. 1970, 24, (4)
1526	A Mystery Stamp	Anon	Helvetia Newsl., Nov.1968, 22, (11)
1527	Swiss "Perfin" Stamps	Ganz, Felix	Helvetia Newsl., Dec. 1966, 19, (12)
1528	Stamps Used by Givernment Administrative Depts	Anon	Helvetia Newsl., Jun. 1974, 28, (6)
1529	Switzerland One of First to Sanction Perfins Use	Ganz, Felix	Linns Stamp News, 21st May 1973, 46, (21) 32
1530	The Official Stamps with Perforated Cross	Anon	Helvetia Newsl., Jun. 1964, 18, (6)
1531	Pinholes - Right and Wrong	Anon	Helvetia Newsl. Dec. 1948, 2, (12)
1532	Swiss "Perfin" Stamps	Ganz, Felix	Helvetia Newsl. Mar. 1966 20, (3) 13-4,17; Apr. 1966 20, (4) 19-20; May 1966 20, (5) 29; Jun 1966 20, (6) 33; Jul. 1966 20, (7) 37-8; Dec 1966 20 (12) 67, 69; Jan. 1967 21 (1) 5
1533	Ricordo delle nozze di Bruxelles	No author	No publisher
1534	Perfores	No author	No publisher
1535+	Railroad Perfins of the Railroads of United States and Canada	Gray, Robert	Compiled by the Perfins Club, 1987,
1536	New perfin dies – Belgium	No author	Publishing details unknown	Modern illsustrated pages of newly discovered perfin dies and identities for Belgium.
1537	Identified Belgium Perfins	No author	Publishing details unknown	Illustrations of Belgian perfins with handwritten list of identities. Illustrations seem to be the same as 1538. pp16
1538	Belgium Perfin Illustrations	No author	Publishing details unknown	Illustrations of Belgian perfins with no words. Pp14
1539	Perforations	No author	No publisher
1540	Stamp Perforating Presses Supplied to Customers 1900-1907	Collated by David Scott	No publisher
1541	Looking through The Perfin Society	Anon	Stamp News, 1-14 May 1986, 6, (7)
1542	Design 0260.01	Pritt, Boris	Perf. Soc. Bull., Jan. 1993, (262) 7
1543	G.B. Perforated Officials	Anon	Stamp Collect., 13th Nov. 1953
1544	Unofficial "Crown" Punctures	Bein, C.	Stamp Collect., 20th Nov. 1953
1545	GB Stamps perforated D.S.I.R	Clayton, D	Stamp Collecting, Feb 24, 1956, p. 794
1546	S.P.I.F.S.	Leon, A Leslie	S.A. Philat. - Jan. 1975, 11
1547	Postage stamps: miscellaneous regulations	The Post Office	The Post Office, 1980	Post Office guide, The Post Office, 1980, The regulations regarding overprinting and perforating postage stamps are set out as pertaining in 1980.
1548	Postage stamps: miscellaneous regulations	The Post Office	The Post Office, 1986	Post Office guide, The Post Office, 1986, The regulations regarding overprinting and perforating postage stamps are set out as pertaining in 1986.
1549	G.B. Perforated Officials	No author	Bye-Post, (32), p. 2
1550	Security Overprints on QEII Stamps	Brown, A.F.	Cinderella Philat. Oct. 1985, 95-97; Jul. 1986, 67-71	0
1551	Catalogues and Handbooks in the Perfin Society Library	Harp, M.	Perf. Soc. Bull.
1552	Mystery Perfin	No author	Stamps & Foreign Stamps, Aug. 1985 23
1553	Perforated Identifications or Perfins	Dow, John W.	Western Stamp Collector, 16th Aug. 1947
1554	Perfins or SPIFS	Anon	Stamp Lover Oct/Nov 1952 81
1555	Mounting Exhibits	Bowman, Ron	Unpublished Manuscript
1556	Perforated Service	Husain, Riazath	Philat. Mag., May 17th, 1957, 351
1557	Notes on the Pictorial Issues of Tasmania, Perforated 'A', 'OS' and 'T'	Pennycuick, Dr. K.	West End Philat., Nov-Dec 1955
1558	Additional Notes on the Pictorial Issues of Tasmania, the Perforations 'A', 'OS' and 'T'	Pennycuick, Dr. K.	West End Philat., Jul-Aug 1956
1559	Reconstructed Alphabets	Gault, Roy	Perf. Soc. Bull., Jan. 1993, (262) 8-10
1560	Great Britain Envelopes with Firms Names in band round stamp	Band Round Stamp	Morley's Philat. J., Jul.
1561	Clipped and Perforated Cancellations of Great Britain	Freshwater, W.L.	Postal Hist. Soc. Bull. Sep/Oct 1953, (70)
1562	Clipped and Perforated Cancellations	No author	Postal Hist. Soc. Bull. Jun 1948 (44) 58-9
1563	Report on the Joint Committee of Postage	Stamps	Br. Philat., Feb. 1944
1564	Perfins from Foreign Lands	No author	Linn's Wkly Stamp News, 28th Feb 1955
1565	Perfins -- Their History, Production and Use	No author	Western Stamp Collect., 2nd Feb. 1954
1566	Territorial and State "Perfins"	No author	Stamps, 9th April 1955
1567	Hawaiian Officials	No author	Source Unknown
1568	History of Firms Using Perfins	Hill, David	Perf. Soc. Bull., Jan. 1993, (262) 11-12
1569	Board of Trade	No author	Gibbons Mon., 6th Aug 1949
1570	H.M.S.O.	No author	Stamp Collect., 7th May 1949
1571	Current British Official Stamps	No author	Stamp Collect., 14th Aug 1953
1572	H.M.S.O. Punctures	No author	Stamp Collect., 28th Aug. 1953
1573	G.B. Perforated Officials	No author	Stamp Collect., 16th Oct. 1953
1574	Queen Victoria Surface Printed	Galland, Bob	GBPS Newsletter, May/June 2002, p. 2-3	Examples of forged BT perfins and OUS overprint on 1880 penny Venetians.
1575	G.B. Covers 1880-1910	Wiseman, W.A.	Gibbons Stamp Mon. Apr 1981 11 (11) 67
1576	Perfin - Perforations "Petrole-Petrochemie-	Derives"	Montaudouin, Christian
1577	Et Cetera	No author	Stamps and Foriegn Stamps, Oct 1983	Stowarzyzenie Filatelistow Polskich, the Polish Philatelists Association in the United Kingdom, is staging a special stamp exhibition on 15th and 16th October at the Polish White Eagle Club, 211 Balham High Road, London SW11. The theme of the exhibition is the 5th anniversary of the Pontificate of Pope John Paul II. A special handstamp will be available as will stamps with the perfin "JPII" which will be affixed to postcards issued by the association (Complete)
1578	Papal Perfins	No author	Gibbons Stamp Mon., Dec 1983, 14, (7)	In connection with their recent exhibition marking the fifth anniversary of Pope John Paul II the Polish Philatelists Association in the UK produced special postcards, affixed to these, and cancelled by a special handstamp, were stamps perforated with the initials JPII. Details from: Hon. Sec. SFP, 40 Ansell Road, London SW17 7LS (Complete)
1579	Unidentified	No author	Stamps July 1982, 3, (5)
1580	Whiteley Village	Forster, Ken	Stamp Mag. Sept. 1987 53, (9)	William Whiteley
1581	Introduction to Perfin Collecting	Stump, David	No publisher
1582	Not "Red Cross" Stamps	No author	Br. Philat., 17, (11), Nov. 1924
1583	New Issues and Discoveries	No author	Engl. Spec. J., June 7 1896, 1, (8)
1584	New Issues and Discoveries	No author	Engl. Spec. J., Feb. 7 1896, 1, (4)
1585	DM	Bladon, David	GB J., Sept. 1968, 6, (9)
1586	Board of Trade Officials	No author	Morleys Philat. J., 1904, 5, 97
1587	Pilfering of Postage Stamps	No author	Times, 31st May 1890
1588	Oxford Union Society	Mekeel's Wkly Stamp News,	Apr. 15th 1905, 19, (15), 122-3
1589	Sutton on Varieties - Packing a Punch	No author	Stamp Mirror, Nov. 18th 1950, 6
1590	Statement of Sub Offices connected with Stamp Perforating	No author	Accountant General's Department G.P.O. 27th July 1907
1591	G.B. Stationery Perfins - Letters to the Editor	No author	Stamp Collect. 3rd March 1983, 146, (23)
1592	Great Britain Postal Stationery with Perforated Initials	No author	Burrows, M.J, Huggins, A.K, Thornton, M.E.
1593	Perfins on Postal Stationery	No author	Private Listing
1594	Picture Postcards - A Question of Space	No author	Stamps and Foreign Stamps, Oct. 1983
1595	Aids to Identification	Nelson, J.	S.E.P.S. Newsletter, Dec 1962, p.7-8; Jan 1963, p.7-8
1596	A Chat about Perforations	Alumnus	Stamp Lover, May 1944
1597	Current Affairs - SPIFS	No author	Aust. Stamp Mon., Oct. 1st, 1947, 716
1598	Specimens - Offices for Sloper Patent London E.C.	No author	J. Sloper & Co.
1599	Specimens - Offices for Sloper Patent London E.C.	No author	J. Sloper & Co.
1600	Specimens - Offices for Sloper Patent London E.C.	No author	J. Sloper & Co.
1601	Holes in a Card can be quite Valuable	Blair, Arthur	Stamp & Postal History News, Aug 5th - Aug 18th 1981
1602	The History of Separating Stamps	Sterckx, Alan	Stamps, May 1980, 1, (3)
1603	Philately for Fun - More Levant Perfins	McQueen, Ian	Stamp Collect., 6th Nov. 1980, 139, (6)
1604	Philately for Fun - Perfins and Turkish Carpets	McQueen, Ian	Stamp Collect., 15th Nov. 1979, 135, (7)
1605	Dan Dare's Philatelic Orbit	Rooke, Harry F.	Stamp Collect., 10th Jul. 1980, 138, (2)
1606	Discover Stamp Collecting - Precancels and Perfins	Gordon, Barbara	Stamp Collect., 1st May 1980, 137, (5)
1607	Precise Perfin Data	Beecher, Henry W.	Am. Philat., Feb, 1985, 99, (2)
1608	Harriman, Ripley & Co., Inc. Perfin	Miller, F.J.	Am. Reven., May 1984, 38, (5)	HR/Co
1609	Latvian Perfins II	Petrevics, A.	Latvian Collector, Jun.-Oct. 1980, (30)
1610	No Punches Pulled - on study of Uruguayan Official Air Mails	Kerst, Herman	Am. Philat., Feb. 1986, 146-149
1611	A Philatelic Star Trek	Rooke, Harry F.	Stamps, Oct. 1980, 1, (8)
1612	Sloane's Column - Territorial and State Perfins	Sloane, George B.	Stamps, Apr. 9th, 1955
1613	Palestine Perfins	No author	The Perfins Club
1614	Forget your Investment	Barrett, Sidney E.	Philat. Mag., Oct. 20, 1944, 52, (21)
1615	We Understand	Williams, Norman	Stamp Mag., Aug. 1982, 48, (8)
1616	Moore on Stamps	Moore	Stamp & Postal History News, June 9th-2nd 1982,.6
1617	Starting with Perfins	Hungerford	Stamps, Jul. 1986, 78	0
1618	Most Officials are Overprints or Perfins	Curzon	Stamp Collecting 11th March 1982, 144, (11)	Pp 2
1619	Perf Initials		Precancel News	Pp 1
1620	Perfins Collectors pursue unusual Philatelic Quarry	McNabb, Betty W.	Linn's Stamp News, Jul. 1, 1974, 47, (26), 8 & 47
1621	Our Active Affiliates - Haiti's Only Perfin	Violini, Robert de	Am. Philat., Feb. 1986, 161
1622	New Collector - Beyond the Catalogue-Perfins	Last, Barbara	Gibbons Stamp Mon. Nov 1986, 17 (6) 84
1623	Overprints Mistaken for Precancels	Rich, Stephen G.	Am. Philat., Feb 1941, 54, (5) 322-323
1624	Philately for Fun - Levant Perfins	McQueen, Ian	Stamp Collect., 3rd Dec. 1981, 143, (10) 675-6
1625	Sierra Leone	Beale, Philip O.	London Philat. July/Aug 1987 96 114-9
1626	Here and There	Morgan, Tom	Philatelic Mag., April 8th 1955, 245
1627	Checklist of Precancelled U.S. Dark Blue 1919 Proprietary Stamps	Field, Harold W.	Am. Reven. 31, No. 294, Apr 1977, 70-73
1628	Telegraph Cancellations on Postage Stamps	Vieira, Armando	Port. Philat. Soc. Qrtrly Bull. Aug 1982 (80)
1629	Sellos Perforados de Espana	No author	No publisher	0
1630	The Last Czech Perfin	Maxa, Vojtech	The Perfins Club	0
1631+	Catalog of Perfins - Belgium	Smetsers, Willem A. & Smit, Hendrick	pub. 1985	In English, French and Flemish. Illustrated catalogue with identities for Belgium.
1633+	Catalogue of Perfins from the Territory of Czechoslovakia - 4th Ed	Maxa, Vojtech & Fejtek, Valcav & Janecek, Ladislay	pub. 1987	pp 184
1634	The Sinkiang China Perforated Officials	Woodward, P.	May 1977, pp. 2	0
1635	Chinese Turkestan - The New Dominion	Lane, E.N.	Philat. Mag., Apr. 1983, 91, (7)	0
1636	Chinese Offices in Turkestan	Starr, James	Am. Philat., 36, Nov. 1922, (2)	0
1637	Sinkiang Official Stamp	No author	No publisher	0
1638	Specimens, Colour Trials and Essays of Mongolia	Negus, James	J. Chinese Philat., Oct. 1971, 19, (1)
1639	The Chinese Imperial Post Office	Encyclopedia of British Empire Postage Stamps. 1st Edition 1951. Vol. 3.	The Empire in Asia. Robson Lowe Ltd.
1640	The Official Stamps of Sinkiang Province	Creaser, A.W.	J. Chinese Philat., Feb. 1974, 21, (3)
1641	Sin-Kiang Official Perforations	Colby, Elbridge	Am. Philat., Aug. 1937, 50, (11) 602-6
1642	Letter to the Editor - Phony Forgeries	Rooke, H.F.	Philatelist, June 1959, 25, (9), 272
1643	In the Sale Room - Germany	No author	Philatelist, Mar. 1959, 25, (6), 183-5
1644	Specialist Societies - Perfins	Stamp & Postal History News,	Apr. 28 - May 11 1982, 19
1645	Catalogue Column - Debate for the Union	Aggersburg, David	Gibbons Stamp Mon., Apr. 1986, 16, (11)	0
1646	Letters - The 'Langer' Underprint	Birch, B.	Gibbons Stamp Mon., Aug. 1980, 11, (3)
1647	Letters - Advertised on the Back	Eyre, Norman	Gibbons Stamp Mon., May 1980, 10, (12)
1648	In the Sale Room - The Nigerias	No author	Philatelist, Dec. 1958, 25, (3), 86-9
1649	Sudan: Beyond the Catalogue	Cartwright, B.M.	Stamp Collect., 10th Jun 1982, 145, (11) 478-81
1650	The Giegler Archive	Rossiter, Stuart	Stamp Mon., Oct. 1975, 82-3
1651	The Great Western Railway	Sanders, Ewart	Stamps, Sept. 1980, 1, (7), 4-6
1652	The Stamps of Manchoukuo - A supplement to the General Catalogues for the Specialist	Zirkle, Helen K.	26th American Philatelic Congress Handbook, Chicago 1960
1653	Private Markings	No author	Jpn Group New Ser. Newsl. (16), 1973, 37110
1654	Kangaroo Stamps Punctrued Large O.S.	No author	The Bulletin, June 1948, Aug 1948; The Bulletin Reprint, Apr 1946-Apr 1951; Aust. Commonw. Spec Soc. of G.B. 1968 24, 26
1655	Handbook of Danish Perfins - Catalogue	No author	Perfinisten, August 1983
1656	Officials - Hungary	Birch, Brian	SEPS Newsl., Jul/Aug 1974, Sep/Oct 1974
1657	Information Wanted	Hewlett, M.F.	G.B. J., May 1968, 6, (7)	0
1658	G.B. Officials	Beatson, A.M.	Stamp Collect., July 9th 1949, 377; Aug. 6th 1949, 496
1659	Patiala Telephone Tax Stamps	Newton, Frank	Am. Reven., Nov. 1966, 20, (9) 90-3	0
1660	Official G.B. Perfins	Bowman, Ron	Stamp Collect., Apr 28, 1967
1661	Perfins from Puerto Rico		The Perfins Club	Two official and three private perfins supplies by Cummins to concerns in Puerto Rico are described, but not illustrated. Pp2
1662	Perfins of Portugal	Bartleson, A.S.	The Perfins Club, 12th Feb 1963
1663	Perforated Official of Great Britain	No author	Stamp Collectors Annual, 1944
1664+	Australia Illustrated Catalogue	No author	Private Listing	pp 57 - illustrations only
1665	Sovereign Order of St. Stanislas	No author	Order Form - 1993
1666	The Uruguay Philatelist	Kerst, H.	Uruguay Philat. Jan/Mar 1974 14 (1) 47-8
1667+	Security Markings	Orsetti, P. and Pugh, P.	Pub. Hong Kong Study Circle, Oct. 1992.
1668	Germany - Precancel Ovpt Discovery?	Strund, V.R.	Am. Reven., Oct. 1981, 35, (9)
1669	Research on the 1962 Q.E. OHMS "G"	Wrigley, R.	No publisher
1670	Canada OHMS Officials "On Cover"	Wrigley, R.	No publisher	0
1671	Security Markings and Firms' Chops	No author	Hong Kong Postal History, p 224	0
1672	Colombia Perfins	No author	The Perfin Club ?, 18th April 1977
1673+	Brazilian perfins	No author	The Perfins Club, 1964	Missing from stock
1674	Perfins from Transvaal and Orange River Colony	Ferguson, Howard E.	The Perfins Club
1675	The Perfins Club Library List	No author	The Perfins Club
1676	First Appearance of the Word "SPIFS"	No author	Robson Lowe Catalogue, July 17th, 1946	Lot 23 is described "The collection of "SPIFS" with Q.V., K.E.VII and K.G.V various values to 1/-. Also the scarce 1d K.E. overprinted "C.A." in large capitals, fine mint. estimate 30/-. (Complete)
1677	Sorting your SPIFS	No author	West End Philat., Jul/Aug 1945
1678	Japanese Perfins	No author	9, (9), 217-220
1679	The Sasebo Anchor Perfin	No author	Japanese Philat., 25, (5)
1681	Post Office Archives Relating to Perfins	Hill, David	Perf. Soc. Bull., Jan. 1993, (262) 13-17
1682	Perfin Pinnacles (of Australia)	Mathews, John	Perf. Soc. Bull., Apr. 1993, (263) 6-7
1683	A Review of the Adachi Catalogue	Fisher, George	Japanese Philately Vol 35, No 6	Review of 2015 – pp 4
1684	Insurance Stamp Perforations	Hill, David	Perf. Soc. Bull., Apr. 1993, (263) 8-9
1685	Additional Historical Background to Joseph Sloper	Alpert, Michael	Perf. Soc. Bull., Apr. 1993, (263) 9-10
1686	Advertising Rings on Postal Stationery	Jennings, Charles	SEPS
1687	Private & Unofficial Under and Overprints on Stamps for Security Purposes	Jennings, Charles	SEPS
1688	Use of Words or Trade Names in Perfins	Jennings, Charles	SEPS
1689	Security Device	Allen, D.	Stamps, Dec. 1981, 2, (10)
1690	An Update for H. Lein & Co.	Kiener, Bert	Am. Reven., Dec. 1976, 30, (11) 326	Overprint - H.K.&Co. 1898
1691	Forged 'Specimen' Perforations 1928- 48	Samuel, Marcus	Stamp Collect., April 17th 1975, 335
1692	More Bogus & Faked Board of Trade Perfins	Burrows, M.	SEPS Newsletter, Feb 1966
1693	Fake Perfin Sought	Schirmer, Joe	No publisher
1694	Stamp Collecting Promotion Council Souvenir Sheet	No author	Stamp Mag., Nov 1974, 40, (11)
1695	Schedule of items acquired by the Society on the closing down of the business of J. Sloper & Co. Ltd.	No author	Perfin Society, August 1991	Unpublished listing of documents and machinery given to the society by Slopers when they closed in 1991.
1696	Sir Henry Bessemer	No author	Sunday Express, Jan. 7th 1945, Jan. 14th 1945
1697	Orphans of Philately	Ball, Charles I.	Philately, Nov. 4th, 1946
1698	G.C.W.W. - Glasgow	Anon	Scottish Stamp News, Mar 1980 10 (3) 17
1699	???	No author	No publisher
1700	Great Britain - Liverpool Corn Stamps	Brandt, J.	Cinderella Philat., Jan 1981, 15.
1702	Privatpostmarken mit Lochungen (Private Post Perfinned Stamps)	Muller, H.	Pub. Private Post Study Group, 1987, pp. 46
1703+	A Catalogue of Spanish Perfins	Everett, R.	Pub. The Author, 1987, pp. 19
1704+	A Catalogue of the Perfins of Portugal and Portugese Overseas Provinces	Everett, R.	Pub. The Author, 1988, pp. 66
1705	I "Perfin" D'Italia	Cerruto, G.	Pub. Agenzia del Collezionista, 1988, pp. 131
1706	Timbres Perfores - France and Colonies	Dedecker, R., Herbert, M. and Janot, R.	Pub. ANCOPER, 2nd Edition, 1990, pp.351
1707+	Catalogue of Identified G.B. Perfins - Tomkins Catalogue 6th Edition	Compiled by B Tomkins,	The G.B. Perfin Study Group., 1985
1708	Sheets of Stamps Folded Before Perforating	Barnes, T.	Perf. Soc. Bull., Apr. 1993, (263) 10	An illustration of a pair of stamps with perfin C.N./B. (C5240) of Newbury's Limited, showing a mirror pair (from a folded sheet) of partials giving a very confusing effect.
1709+	Emmissions De France - Vol II - Les Timbres Francais Perfores (1st List)	Lebland, Colonel	Pub. Le Monde des Philatelistes, 1964, pp. 48	Translation: S.E.P.S. TRANS. 190. Illustrated listing of perfins of France, with values known. See 0356, 1123, 1710 for subsequent lists.
1710+	Emmissions De France - Vol IX - Les Timbres Francais Perfores (12th - 14th Lists)	Lebland, Colonel	Pub. Le Monde des Philatelistes, 1978, pp. 21	Translation: S.E.P.S. TRANS. 194. Follow up to 1709.
1711+	Les Marques Imprimees de Controle Prive	Mettrie, A de la	Pub. Le Monde des Philatelistes, 1974, pp. 8	Translation: S.E.P.S. TRANS. 197. "Printed Marks for Private Control". An illustrated listing of security underprints and overprints of France. Also mentions the date and law number for the banning of perfins in France.
1712	Katalog over danske firmaperforeringer	Kansen, P.E., Krolak, J., Moller, J. & Fauerbo, P.	Pub. The Danish Perfin Society, 1991
1713	A Catalogue of Great Britain Perfins	T.A. Edwards & B.C. Lucas.	The Perfins Society, 1986	The "Edwards" illustrated catalogue.
1714	Full Name Perfins and Abbreviations"	Coles, John	Pub. The Author, 1984, pp. 32.
1716	Catalog of United States Perfins - 1969?"	Lougee K. F.	Copyright 1969? by The Perfins Club
1717	Perfin Abstracts	Birch B.	Pub. The Security Endorsement & Perfin Society, 1975, pp. 158
1718	Simplified List of Punctured Endorsements on Stamps Issued for Security Purposes from 1864 up to date.	Jennings C.	November 1955, pp. 42
1719	Catalogo de Perfuracoes em Selos de Correio de Portugal	Jose Rodrigo Dias Ferreira,	1978 reprinted from "Boletin do Clube Filatelico de Portugal", Lisbon, Translation:	S.E.P.S. TRANS. 196
1720	Firms perforations and perforating devices.	Lebland, G.	Le Monde Philat. Jul/Aug 1979, (322), 25	Translation: S.E.P.S. TRANS. 219
1721	The "POKO" perforating machine.	Maxa, V.	Le Monde Philat. Jul/Aug. 1979, (322), 25	Translation: S.E.P.S. TRANS. 220
1722	Stamps from the Plebiscite in Eastern Silesia -1920 (Czech. and Polish stamps overprinted SO 1920 -13th Feb. to 10th Aug 1920)	Richet, R.	Le Monde Philat., Sep. 1978, (312), 31-5	Translation: S.E.P.S. TRANS. 221. A lenghty article on the political and philatelic changes in Eatern Silesia in 1920, when a plebiscite was held to determine its future. Includes perfins S.O. on Polish stamps.
1723	Perfins on stamps and their history.	Mazur, P.	Filateli SSSR, Jun. 1974, (6), 43	Translation: S.E.P.S. TRANS. 222
1724	Perfinned coil stamps.	Enschede, E.J.	Neder. Maandblad Philat., Oct. 1936, 15, (10), 197	Translation: S.E.P.S. TRANS. 223. Report of a perfin E in hexagon (Marathon Steel, Rotterdam) on a Netherlands coil stamp from 1936.
1725	Perfinned coil stamps.	Straaten, C. Van.	Neder. Maandblad Philat., Nov. 1936, 15, (2), 214	Translation: S.E.P.S. TRANS. 224
1726	Perfins.	Prins, J.C.	Neder. Maandblad Philat.,July/Aug. 1972, 49, 436-9	Translation: S.E.P.S. TRANS. 225
1727	Supplement to philatelic report number 14 - Leipzig firms Perfins.	Sperling, W.	Neue Lipsia Rundschau, Apr/May 1979, (2), 24-5	Translation: S.E.P.S. TRANS. 226
1728	Swedish Company perforations.	No author	Het Noorderlicht, Oct. 1968, (17) 16-18	Translation: S.E.P.S. TRANS. 227. A listing of Swedish perfins with identities.
1729	History of an airmail postage stamp: The 1.90F ultramarine perforated 'EIPA 30'	Saulgrain, P.	Philat. Francaise, Jan. 1977, (273), 28-9, 1720	Translation: S.E.P.S. TRANS. 228. The background to the issue of a special stamp for the International Aerial Postage Exhibition at the Marsau Pavilion in Paris from 6-20 November 1930 and the resulting issue of about 40,000 E.I.P.A.30 perfins.
1730	Greek Perfins.	Abgyropoulos, G.	Philotelia, Mar./Apr. 1967, (402), 46	Translation: S.E.P.S. TRANS. 229
1731	Greek Perfin stamps.	Konstantini, M.K.	Philotelia, Jul/Aug 1974, (447), 129-130	Translation: S.E.P.S. TRANS. 230
1732	Faroe Islands Perfin.	No author	Posthist. Tidsskr. Aug 1976, 2, (2/3), 71-2	Translation: S.E.P.S. TRANS. 231
1733	Perfins.	Jorgensen, A.	Posthist. Tidsskr., Dec. 1975, (13), 427-9	Translation: S.E.P.S. TRANS. 232
1734	Society working party on firm's perforations.	Vonhoff, E.	Sammler-Dienst, 1963, (12), 565-7	Translation: S.E.P.S. TRANS. 233
1735	Did you know that?	No author	Sammler-Dienst, 1963, (17), 829-30	Translation: S.E.P.S. TRANS. 234
1736	Perforated postage stamps.	Sperling, W.	Sammler Express, 1979, 33, (7), 220-1	Translation: S.E.P.S. TRANS. 236
1737	England's present-day official stamps.	D' Outre-Seille, P.	Sven. Filat. Tidskr., 1933, (4)	Translation: S.E.P.S. TRANS. 237. (Originally published in French in "Annales de Philatelie")
1738	Newly-discovered Russian postage-due stamps.	Falk, H.	Sven. Filat. Tidskr., Feb 1968 94	Translation: S.E.P.S. TRANS. 238. The method of collecting postage due in Tsarist Russia is explained. This involved postage stamps for the amount collected being stuck into accounting books and perforated with the post office designation and number.
1739	Inventory of Swedish Perfins.	Swenson, S. Bergman, L. & Lagerwall,	Sven. Filat., 1975, (6)	Translation: S.E.P.S. TRANS. 239
1740	Some comments on official Perfins.	Lagerwall, T.	Sven. Filat. Tidskr., May 1982, (5), 361-7	Translation: S.E.P.S. TRANS. 240. A look at some of the different types of official perfin used in different countries.
1741	Perfins.	Bergman, L.	Sven. Filat. Tidskr., 1972, (8), 432	Translation: S.E.P.S. TRANS. 241
1742	Company perforations.	Van Lint, V.J.	(Bibliographic details unknown. Published on pp. 78-80 of a Dutch magazine)	Translation: S.E.P.S. TRANS. 243
1743	Company perforations on stamps.	Falk, H.	Sven. Filat. Tidskr., 1968, (2), 90-1	Translation: S.E.P.S. TRANS. 246
1744	Perfins - Perfin on a letter on the commercial heading of the company 'Titania'	Janot, R.	Le Monde Philat., Apr 1990, (440), 97	Translation: S.E.P.S. TRANS. 247. An article, presumably about French perfins (not certain). Includes the information that perfins were permitted from 15 November 1876 to 8 December 1954.
1745	Perfins on Finnish stamps.	Suomen Postimerkkien Yasikisja Vol 6, Finland	1972 pp.128-129	Translation: S.E.P.S. TRANS. 199
1746	Collect something different - collect Perfins.	Kinkel, M.	(Bibliographic details of periodical not known - date 1970's pages 183-190)	Translation: S.E.P.S. TRANS. 198
1747	Registered letters and registered postmarks.	A Magyar Belyegek Monografiaja, Vol 1, Hungary, 1965, pp.582-587	(+ illustrations on pp. 589 & 590)	Translation: S.E.P.S. TRANS. 195. The AUT perfins of Hungary produced by the post office for use on registered letters posted in automatic receiving machines.
1748	Great Britain - Officially approved protective overprints for private use.	Munk, H.	Kohl-Briefmarkenhandbuch, 2nd edn., Vol. 3, Verein der Freunde des kohl- Briefmarkenhandbuchs, Berlin, 1931, pp. 1022-4	Translation: S.E.P.S. TRANS. 193
1749	Guatemala - Perforated OFFICIAL and hand - stamped OFFICIAL.	Munk, H.	Kohl-Briefmarkenhandbuch, 2nd edn., Vol. 4. Verein der Yreunde des kohl- Briefmarkenhandbuchs, Berlin, 1933, pp. 200-2 & 1013-4	Translation: S.E.P.S. TRANS. 192
1750	Great Britain Official Perfins for the Board of Trade.	Munk, H.	Kohl - Briefmarken Handbuch, 2nd edn., VoI. 3. Verein der Freunde des Kohl- Briefmarkenhandbuchs, Berlin, 1931, pp. 832-4	Translation: S.E.P.S. TRANS 191
1751	Perfins (Part 16).	Bergman, L.	Baltespannaren, July 1980, 15, (1), 33-4	Translation: S.E.P.S. TRANS. 200
1752	Perfins (Part 15)	Bergman, L.	Baltespannaren, June 1979, 14 (1) 22-3	S.E.P.S. TRANS. 201
1753	Perfins (part 17).	Bergman, L.	Baltespannaren, Jul. 1982, 17, (1), 51	Translation: S.E.P.S. TRANS. 202
1754	Perfins.	Van Lint, V.J.	Berner Briefmarken-Zeitung Sep 1954 123	Translation: S.E.P.S. TRANS. 203
1755	Perfins from Brazil.	Ahrens, W.	Brasil Filatelico, Sept. 1955 pp. 9-12	Translation: S.E.P.S. TRANS. 204
1756	The Stamp Box : on Philately's fringes.	Krusenstiehna, P. Von	Dagens Nyheter, 24th Dec. 1916	Translation: S.E.P.S. TRANS. 205
1757	German Perfins - a problem for research.	Vonhoff, F.	Der Eisenbahner Philat., Jan 1971 4, (13), 3-4	Translation: S.E.P.S. TRANS. 206
1758	Perforated Stamps.	Ettre, L. S.	Filateliai Szemle, Dec. 1974, Vol. 27, No. 12, pIG	Translation: S.E.P.S. TRANS. 207
1759	Perforated Stamps.	Maxa, V.	Filateliai Szemle, June 24th. 1981, 16-17	Translation: S.E.P.S. TRANS. 208
1760	Perfins are taking.	Maxa, V.	Filatelie, 1970, 20, (19), 580-1	Translation: S.E.P.S. TRANS. 209
1761	The last Czechoslovak perfin.	by Maxa, V.	Filatelie, 1970, 20, (24), 740-741	Translation: S.E.P.S. TRANS. 210. At the time of writing, it seems that the only perfin still in use in Czechoslovakia is the P pattern used by publisher Orbis.
1762	It happened years ago, or how did Perfins get to us?	Maxa, V.	Filatelie, 1977, (9), 270-272 & 281	Translation: S.E.P.S. TRANS. 211. An article on the introduction of perfins in GB and then in other countries. Includes a case of unperforated stamps being stolen in London in 1869 and purchased by postal clerk Alexander Skinner.
1763	Without value and interest?	Maxa, V.	Filatelie, 1970, 20, (13), 396-398	Translation: S.E.P.S. TRANS. 212
1764	What is hiding beyond one question mark ?	Maxa, V.	Filatelie, 1977, (15), 460-461	Translation: S.E.P.S. TRANS. 213
1765	Privately perforated Norwegian stamps.	Dehll, E.	Frimerke Forum, 1972, 3, (4), 6-7 & 9-10	Translation: S.E.P.S. TRANS. 214
1766	Stamps with firms perforations or Perfins from British India.	Ritter, W.	10 Jahre Indien Report, Oct. 1980, pp. 50-60	Translation: S.E.P.S. TRANS. 215
1767	Bibliography of Literature about Firm and official Perfins.	Lischke, P.I.	Sammler-Dienst, 1968, No.21, 1319-1322	Translation: S.E.P.S. TRANS. 216
1768	An intersting discourse about a peculiar Perfin reproduced with permission from	No author	Mijn StokpaardJe, April 1956	Translation: S.E.P.S. TRANS. 217
1769	Perforated postage stamps - waste paper or philatelic documents.	Seyffarth, J.	(Bibliographic details not known) 1979, Issue 2	Translation: S.E.P.S. TRANS. 218
1770	Perfins on postage stamps.	Schultz-Steinheil, H.	Sveriges Frankoteken Handbook - Vol. 3, SFF, 1964	Translation: S.E.P.S. TRANS. 189
1771	Perfins - Valueless and of no interest?	Peterik, M.	Catalogue of the Regional Exhibition of postage stamps. Kadan, Czechoslovakia , 1979, pp. 40-43	Translation: S.E.P.S. TRANS. 188
1772	Illustrated catalogue of Japanese stamps with security markings. 3rd edn	Adachi, T.	Takaski Adachi, Tokyo 1980. (Introductory text only)	Translation: S.E.P.S. TRANS. 187
1773	WAPEX 93 Perfins	No author	South Pacific Perf. Bull. Oct 1993 (25), 2	Illustration of an Australian cover with perfin W (swan) A of the Western Australia Stamp Promotion Council, used at the Wapex 93 Gold Centenary Stamp Show.
1774	Victorian Pin Perforations	Bradford, R.A.	South Pacific Perf. Bull Oct 1993 (25) 2-3	A suggestion that pin perforations on stamps of Victoria, such as B&R or S&S could have been made by a machine with alterable perforations from a selection of letters.
1775	London & Lancashire Fire Insurance Company Overprint	No author	South Pacific Perf. Bull. Oct 1993 (25), 4	Duplicate of 2131.
1776	An Elvis Perfin	No author	South Pacific Perf. Bull. Oct 1993 (25), 4	An example of a perfin R.J. used by Rob Murrin is reported on the 29c Elvis stamp (of Australia? Not clear from article).
1777	G/NSW Type D and U/NSW Update	Andersen, D.	South Pacific Perf. Bull. Oct 1993 (25), 6	Some reports of new finds of post 1960 New South Wales official perfins G/NSW and U/NSW.
1778	A Non-Stamp Perforator	Mathews, J.	South Pacific Perf. Bull. Oct 1993 (25) 7-8	A report of a non-postal perforator recently auctioned in Queensland. This perforator could produce any letter of the alphabet - all illustrated.
1779	Use of Perfins on Australian Antartic Territory Stamps	Andersen, D.	South Pacific Perf. Bull. Oct 1993 (25), 7,9	A listing of perfins on stamps of Australian Antarctic Territory. All are used by users in Australia, where Australian Antarctic Territory stamps are valid.
1780	A Perforating Service in New South Wales	Mathews, J.	South Pacific Perf. Bull. Oct 1993 (25) 10	Details of a perforating service in New South Wales offered by Miss Dore Lough in Sydney. This was used by many insurance companies between 1909 and 1966.
1781	Modernising with Perfins and Typewriters	Taylor, F.W.	G.B. J. Nov/Dec 1993, 31, (5), 85	Later reprinted in Perf. Soc. Bull., Oct. 1998, (296), 12-13 - see 4951.
1782	Protective Overprints and Underprints	Bird, W.P.	G.B. J. Nov/Dec 1993, 31, (5), 89	A list of suggested ammendments and additions to the listing of G.B. Queen Victoria protective overprints and underprints given in the 10th Edition of the SG Specialised Catalogue Vol. 1 is presented.
1783	The Most Perfinned Stamp Issue in the World	No author	Perf. Soc. Bull. Dec 1993 (267) 9
1784	Currie Perfin	Dennis, B. I., Burns, I & Hamill, I	Perf. Soc. Bull. Dec 1993 (267) 11-12	Further information on the 5 types of perfin Currie used by Donald Currie & Co steamship owners are identified along with their period of use between 1882 and 1900, postmarks and stamps they are found on. Also refer to Perf. Soc. Bull. 215-7, 257, 266.
1785	46th Inter-Parliamentry Union Conference Stamp	No author	Perf Soc. Bull. Dec 1993 (267) 11	Further dies are reported used on the 46th Inter-parliamentry Union Conference stamp following an article in Perf. Soc. Bull. (266).
1786	British Colliery Perfins	Gault, R.	Perf. Soc. Bull. Dec 1993 (267) 14-17	Although may collieries existed over the years only ten colliery companies in England are identified who used perfins. A brief history of the colliery is given along with the dies, period of use, postmarks and stamps on which the dies are found.
1787	Stamps Not Recorded as Perfins	Walter, Alastair	Perf. Soc. Bull. Dec 1993 (267) 18-20	An updated listing of stamps of Great Britain that have not been found with perfin dies. An appeal for further information on perfin use on these stamps is made.
1788	Murphy's Law Applied to Perfins	Hill, D.	Perf. Soc. Bull. Dec 1993 (267) 21	The single letter die F (F0010.01M) has been identifed as being used by Forte after a copy of the die has been found on an envelope used by the Cafe Royal (owned by Forte). The envelope bore the crest of the Cafe Royal “N” beneath a crown and surrounded by a wreath.
1789	Sir Titus Salt of Saltaire near Bradford, Yorkshire	Smith, R.	Perf. Soc. Bull. Dec 1993 (267) 22-23	Sir Titus Salt ranks along contemporary philanthropists such as Rowntree and Cadbury. A brief history and details of his business and work are given. Sir Titus Salt’s company used the perfin SALT (S0250.01).
1790	Sloper Experimental Cancels	Smith, R.	Suppl. to Perf Soc. Bull. Dec 1993 (267)
1791	Seeking Publicity? (i.e., Publicity Perfins, Anyone?)	Schwerdt, R.	Perf. Bull. Nov/Dec 1993, 46, (10), 205, 207	In 1924 Italy reissued nineteen stamps with advertising labels (19 different labels). These labels are an integral part of the stamp; no perforations exist between stamp and label. Some perfinned examples are illustrated.
1792	The Lot of a Catalog Editor	Randall, J.	Perf. Bull. Nov/Dec 1993, 46, (10), 212-3
1793	Corrections to the Foreign Census	Schwerdt, R.	Perf. Bull. Nov/Dec 1993, 46, (10), 213
1794	1902 Series on Early Advertising Cover	Rickard, H.	Perf. Bull. Nov/Dec 1993, 46, (10), 220	Example of a 1902 series USA 1c stamp perfin on a Goodrich & Co advertising cover.
1795	A.B. - Arnold Busck Identified	Lyding, J.F.	Perf. Bull. Nov/Dec 1993, 46, (10), 221	A proving cover for Danish perfin A.B. is illustrated. The ident is Arnold Busck, Bookseller, Copenhagen.
1796	Dave Stump Discusses Perfins Machinery	Stump, D.	Perf. Bull. Nov/Dec 1993, 46, (10), 221-3	Reprint of Perf. Bull. Oct. 1973, 26, (9), 1,5-6.
1797	Romanian Cover	Cooper, D. A.	Perf. Bull. Nov/Dec 1993, 46, (10), 223-4	An illustration of a Romanian perfin cover. The perfin is N.F.C. and the ident is Nicolae Heher & Cie, Bucharest.
1798	Z Punch	Laura, J. Jr	Perf. Bull. Nov/Dec 1993, 46, (10), 224-5
1799	P.O.K.O.'s	Brunell, B.	Perf. Bull. Nov/Dec 1993, 46, (10), 225-6	Some notes on the perfins produced by POKO affixing machines and how to identify them, including illustrations of the POKO alphabet and a UK advertising leaflet.
1800	H140 - User Identified	Glidden-Pantry, R.	Perf. Bull. Nov/Dec 1993, 46, (10), 226-7	A proving cover for USA perfin H140 is illustrated. The ident is H.O. Harrison & Co, automobile dealers of San Francisco.
1801	Members' Queries - NM/Co (N2100)	Smith, R.	Perf. Soc. Bull. Oct 1993 (266), 5	A 1961 cover is described which has perfin NM/Co of National Magazine Co but ident of Deloitte, Plender, Haskins & Sells on the envelope. The latter firm are accountants and it is suggested that they may have been auditing the former.
1802	J. Sloper & Co. - Additional Information	Smith, R.	Perf. Soc. Bull. Oct 1993 (266), 6	More information on Sloper & Co, from former director, Mr. E.F. Laver. Includes the closure of Bridge St offices in 1972. Directors M.M. Firminger, W.O. Hawkins, S.J. Derden, A.W. Slater, W.E. Cockayne and company secretary Mr. Steadman are mentioned.
1803	NASH - Full Name Perfin	Muggleton, D.	Perf. Soc. Bull. Oct 1993 (266), 7	Some details of W.T. Nash & Co, coal merchants and user of the full name perfin NASH. A postcard is illustrated which shows a photograph taken in 1904 at Royston railway station with W.T. Nash sign in the background.
1804	The Most Perfinned Stamp Issue in the World?	Gault, R.	Perf. Soc. Bull. Oct 1993 (266), 8-9; Perf. Bull. Feb 1994 47, (2) 20-21	A discussion of which stamp issue of any country exists with the greatest number of perfin dies. The likely answer is the GB 1d Edward VII issue.
1805	History of Perfin Users	Hill, D.	Perf. Soc. Bull. Oct 1993 (266), 10	History of perfin users Halls of Dartford (H4017.01m) and Dolphin Square (D4360.05).
1806	Perfin Snippets - Part 2	Hill, D.	Perf. Soc. Bull. Oct. 1993 (266), 12-13	Some possible identites from the Sloper ledgers, with an appeal for information to confirm them.
1807	Connected Identities from Sloper's Ledgers	Steere, S.	Perf. Soc. Bull. Oct. 1993 (266), 14-15	Research in the Sloper records has found that a number of UK companies who used perfins or overprinted stamps were linked. The article lists the linked companies and the dies or overprints that were used.
1808	Bell Perfin	Muggleton J., & Mathews, J.	Perf. Soc. Bull. Oct 1993 (266), 16	Follow up to 265.11. Some ideas for the user of the Bell designs Des0010.01 and Des0020.01. Glasgow postmarks are recorded.
1809	Copestake, Huges, Crampton & Co.	Whitehead, E.	Perf. Soc. Bull. Oct 1993 (266), 17	Follow up to 257.11 (4018). Perfin C4370 has been identified with Copestake, Lindsay, Crampton & Co., leaving C3130, C3160.01 and C3160.02 as unconfirmed suspected Copestake identites.
1810	Currie Perfin	Smith, R.	Perf. Soc. Bull. Oct 1993 (266), 17	Some reports of CURRIE perfins on covers, with identities of either James Currie & Co., The Leith, Hull & Hamburg Steam Packet Co., Leith or Donald Currie & Co, Fenchurch St., London.
1811	What is a Perfin	Birch, B.	Perf. Soc. Bull. Oct 1993 (266), 19-21	Some ideas for how to precisely define what is meant by a perfin.
1812	#519 and Perfins	Brandt, J.	Perf. Bull. Oct 1993, 46, (9), 187	See also Perf. Bull. Apr. 1993. The 2c Washington perf 11 (Scott 519) was printed in small qunatities and is scarce perfinned.
1813	Forgeries and Fakes	Ratzer, H.	Perf. Bull. Oct 1993, 46, (9), 188
1814	Cummins' No. 52	No author	Perf. Bull. Oct 1993, 46,(9), 191	Illustration of an early advertisement for B.F. Cummins No. 52 perforator (with illustration of the machine). Includes prices and specifications. Duplicated as part of 0392.
1815	AJ/A Albert Jensen A/S	No author	Perf. Bull. Oct 1993, 46, (9), 192	Illustration of a 1932 proving cover for Denmark perfin AJ/A (A31) with ident Albert Jensen A/S, Copenhagen.
1816	Wrigley - Perfinned WW/JR	No author	Perf. Bull. Oct 1993, 46, (9), 192	1939 proving cover for Canadian perfin WW/JR with ident Wm. Wrigley Jr. Co., Toronto.
1817	UM=UNDERVISNINGMINISTERIET	Lyding, J.	Perf. Bull. Oct 1993, 46, (9), 193	Illustration of a proving cover for Denmark perfin UM (U3) with ident Undervisnings Ministereit.
1818	A44 - The American Bank	Lyding, J.	Perf. Bull. Oct 1993, 46, (9), 193-4	A US cover from the American Bank, San Francisco, CA with perfin A/Bk (A44) is illustrated.
1819	College Becomes University	Cutler, D.	Perf. Bull. Oct 1993, 46, (9), 194	Illustration of Michigan State University cover with USA perfin M253 (MSU) modifed by students from M242 (MSC) when the college became a university.
1820	An Unrecorded Barbados Perfin	Bayley, E.A.	Perf. Bull. Oct 1993, 46, (9), 199
1821	T15 on Advertising Postcard of Texas Bag and Fiber Company	Laura, J. Jr	Perf. Bull. Oct 1993, 46, (9), 200-1	Illustration of USA perfin T15 on a Texas Bag & Fibre Co proving card of 1911.
1822	C220 Found on Post Card	Lyding J.	Perf. Bull. Oct 1993, 46, (9), 202	Illustration of a USA proving postcard for C220. Ident is Citizens National Bank.
1823	Charles Bein, BPA, PTS, JPS, PHS, SPA etc.	Nelson, J.	Perf. Soc. Bull. Aug. 1993, (265), 4-6	The correspondence of Charles Bein has been obtained by the Perfin Society. Bein was a pioneer perfin collector who strove hard to have perfins recognised as a mainstream part of philately. His collection of 1d Reds formed the basis for the listings later made by Jennings. Some (all?) of this correspondence is in the library.
1824	Useful Directories for Research into Perfin Users	Postmark Soc. J.	Perf. Soc. Bull. Aug. 1993, (265), 7	Facsimile editions of Pigot & Co’s National Commercial Directories have been made. Predating perfins they still constitute a useful reference source on company operations.
1825	A GB Perfin with a French Connection	Bavin, M.	Perf. Soc. Bull. Aug. 1993, (265), 8	Die LF- (7,10-5½) used on a 1984 cover celebrating the Lodge La France 2060, apparently associated with the Ecole Maconnique at Rickmansworth has been noted.
1826	Perfin with a Crete Connection	Bavin, M.	Perf. Soc. Bull. Aug. 1993, (265), 8	Report of a cover, part of the Dr. Maurice R. Friend collection, sold by Robson Lowe in Zurich on 23 November 1982. This bore stamps of the British controlled Crete province of Candia with perfin 28. It sold for SFr4500.
1827	Royal Bank of Scotland Covers	Pritt, B.	Perf. Soc. Bull. Aug. 1993, (265), 9	Follow up to 241.8 (4516). Three dates are given for the use of the large R in star receiving perforation of Royal Bank of Scotland. More information is requested.
1828	Sloper's Advertising Cards	No author	Perf. Soc. Bull. Aug. 1993, (265), 9-10	Details of two different Sloper promotional cards or letters.
1829	Currie Perfin	Smith, R.	Perf. Soc. Bull. Aug 1993, (265), 12-14	Follow up to 257.17. More reports of covers and identities for CURRIE perfins.
1830	Perfin Snippets	Hill, D.	Perf. Soc. Bull. Aug. 1993, (265), 14-15	Research in the Sloper records has found that a number of UK companies who used perfins or overprinted stamps were linked. The article lists the linked companies and the dies or overprints that were used. See also 1807.
1831	Board of Trade Official Perfin	Wood, P.	Perf. Soc. Bull. Aug. 1993, (265), 15	Description of a cover with perfin Crown/B.T. of the Board of Trade. Sent in 1892 from the Storekeeper's Department in Poplar to E.W. Rashleigh Esq., Kilmarsh, Par Station, Cornwall.
1832	Provisional Identity of Early Perfin Users	Harp, M.	Perf. Soc. Bull. Aug. 1993, (265), 16-19	Many users of private underprints and overprints later went on to use perfins. Using the identities of these leads to provisional identities for a number of unidentified dies. Some users are found to have used underprints and perfins concurrently.
1833	History of the Users of Perfins - Royal School for Deaf Children	Smith. A.	Perf. Soc. Bull. Aug 1993, (265), 20	Perfin die R/SD (R4710.01) was used by the Royal School for the Deaf. The school has been in existence for over 200 years. Illustrated is a postcard for a chapel fund showing the die used on a King Edward VII ½d.
1834	Postmark Clues to Perfin identities	Gault, R.	Perf. Soc. Bull. Aug 1993, (265), 21-24	Using postmark clues the full name perfin RAG/LAN (R0110.01) has been identified as being used by Taylor, Cooper & Bednell Ltd, makers of Raglan Cycles. Similary LRC (L4740.01) is identified as being used the Leicester Rubber Co who later became the John Bull Rubber Company. A third dieME/&/M.G/Ltd. is identified as being used by Moore, Eady & Murcott-Goode Ltd. Details are also given into the business of these three companies.
1835	More Dies Using the Butterfly Alphabet	Gault, R.	Perf. Soc. Bull. Aug 1993, (265), 24	An additional four dies using the “Butterfly” Alphabet are illustrated, DLN/&S (D2880.01), KM/&Co (K1360.01), MT/O (M5660.02) & VS/&Co (V1630.02). (Complete)
1836	An Introduction to Revenue Stamps	Dagnall, Harry	G.B. J., Jan/Feb. 1994, 32, (1), 6	This introductory article to British revenue stamps includes a reference to Henry Bessemer thought by some to be the inventor of Perfins. In 1832 he suggested to the Board of Stamps that revenue stamps should be perforated rather than being embossed as this would make their misuse very difficult. The idea was not adopted as a subsequent idea made by Bessemers fiancée of introducing date plugs was felt to be superior. (Complete)
1837	Private Underprints	Willcocks, R.M. & R.W.	G.B. J., Part 1 1964, 26; G.B. J., Part 2 1964, 54-59	A comprehensive illustrated listing of private underprints on British stamps which were the precursors of the perfin. This listing formed the basis of the listing given in Stanley Gibbons Specialised Vol 1.
1838	Our Last Perfin	No author	Perfiny, Nov. 1974, 1, (4)	S.E.P.S. TRANS. 73
1839	Double Heads	No author	Perfiny, Nov. 1974, 1, (4)	S.E.P.S. TRANS. 73
1840	J. Sloper	No author	Perfiny, Jan. 1975, 2, (1)	S.E.P.S. TRANS. 74
1841	Hungarian Perfins	No author	Perfiny, Jan. 1975, 2, (1)	S.E.P.S. TRANS. 74
1842	The Basic Document	No author	Perfiny, Feb. 1975, 2, (2); Perfiny, March 1975, 2, (3)	S.E.P.S. TRANS. 75/76
1843	Railway Perfins	Rucklidge, J.M.	Perf. Soc. Bull., Apr. 1991, (251), 5	An illustration from a Sloper proof book showing a perfin LM/&SR/37/EUS, for the London, Midland & Scottish Railway, who did not use perfins. This die is too large for postage stamps. Similar dies with numbe 27 and LON, MAN, LIV and DUB are recorded.
1844	Sloper Record Books	Steere, Stephen	Perf. Soc. Bull., Apr. 1991, (251), 9	Details of the Sloper record books in current use in 1991 which were photographed by the author. These records go back to about the 1950s and include commercial overprints. (The photographs are held in the library).
1845	Swiss Perfin Puzzle	Houtris, D.	Perf. Soc. Bull., Apr. 1991, (251), 10-11	An analysis of the missing and repaired pins in the B/W perfin of Switzerland, with dates for the various states. The perfin was used by Bank in Winterthur.
1846	Polish Official Perfin	Hall, Andrew	Perf. Soc. Bull., Apr. 1991, (251), 11-12	Illustration of a card from the Polish Finance Ministry at Mieleu, dated 5 May 1927. It bears revenue stamps with perfin WZOR.
1847	Some Observations on Perfin Production at Slopers	Hill, Dave	Perf. Soc. Bull., Apr. 1991, (251), 13-14	Some details of the machines and methods of production used by Sloper & Co in 1991.
1848	Perfins and the Red Cross	Pritt, Boris	Perf. Soc. Bull., Apr. 1991, (251), 14-15	Some illustrations of Red Cross perfin items, including French cross perfin and GB perfin CP/W (C6190) of Central Prisoners of War Committee.
1849	Slopers Wartime Provisionals	Gault, Roy	Perf. Soc. Bull., Apr. 1991, (251), 16-18	Some examples of Sloper provisional wartime perfins and some thoughts on how and why they were produced.
1850	What is It ?	No author	Perfiny, Feb. 1975, 2, (2)	S.E.P.S. TRANS. 75
1851	Polish Perfins	No author	Perfiny, Feb. 1975, 2, (2)	S.E.P.S. TRANS. 75
1852	The Most Beautiful Identification Entire	No author	Perfiny, Mar. 1975, 2, (3)	S.E.P.S. TRANS. 76. A description of a Czechoslovakia perfin cover from Machinebau A.G. Breifeld, Danek & Co, Prag Karolinenthal. One of the Austrian stamps on the cover has perfin BFC, sent 12 January 1917.
1853	The Visit at Pichl's	No author	Perfiny, Mar. 1975, 2, (3)	S.E.P.S. TRANS. 76. An account of a visit to workshop 10 of co-operative Znak at Letohradska Street, Letna, formerly perfin user and manufacturer Pichl. Perforators are still being made there, and these are described.
1854	Price of Perfin x Price of Stamp	No author	Perfiny, Mar. 1975, 2, (3)	S.E.P.S. TRANS. 76
1855	Austria Perfins	No author	Perfiny, Mar. 1975, 2, (3)	S.E.P.S. TRANS. 76
1856	A Decree is a Decree	No author	Perfiny, Apr. 1975, 2, (4)	S.E.P.S. TRANS. 77. The postal authorities in Poland stipulate that perfin holes be no more than 1mm diameter. Henryk Francka Synowie used a HFS perfin with holes that were too large, and this had to be replaced by a similar perfin with smaller holes.
1857	Official Perforation	No author	Perfiny, Apr. 1975, 2, (4); May 1975, 2, (5); Jun. 1975, 2, (6); Sep. 1975, 2 (7); Oct. 1975, 2, (8); Nov. 1975, 2, (9); Dec. 1975, 2, (10)	S.E.P.S. TRANS. 77/78/79/80/81/82/83
1858	Bavaria	No author	Perfiny, Apr. 1975, 2, (4)	S.E.P.S. TRANS. 77
1859	Jugoslav Perfins	No author	Perfiny, Apr. 1975, 2, (4)	S.E.P.S. TRANS. 77
1860	C Perfins of Carters' Tested Seeds Ltd	Hanson, Bill	Perf. Soc. Bull., June 1991, (252), 7-8	Illustration of a 1957 sent by Carter's Seeds to New Zealand. Stamps all perfin C.
1861	Levant Perfins	Doyle, J.K.	Perf. Soc. Bull., June 1991, (252), 10	Illustrations of perfins K.B. (possibly Karl Brinckmann) and EOB (possibly Etablissemets Orosdi Bank) on stamps of the German post office in Turkey (Levant).
1862	The New Zealand Philatelic Federation Perfins 1988-1990	Samuel, R.D.	Perf. Soc. Bull., June 1991, (252), 11	Some details about the THANK/YOU perfin used since 1988 by the New Zealand Philatelic Federation. At this time, the use of perfins in New Zealand was non-existent, the last known commercial user being Royal Insurance in 1956.
1863	Sloper and Stamp Security	Nelson, J.S.	Perf. Soc. Bull., June 1991, (252), 13-14; Perf. Soc. Bull., Aug. 1991, (253), 10-13	Some details of Sloper's 1858 patent for a perforating machine (copy in the library). Includes a completely different idea from the perforating machines actually used, abandoned at an early stage, using a studded wheel on a soft surface.
1864	Roumanian Perfins	No author	Perfiny, May 1975, 2, (5)	S.E.P.S. TRANS. 78. Some details of Romanian perfin regulations, with permission to perforate from 1 January 1892. Around 480 Romanian perfins are known, with one, W/B&Co on German occupation stamps of 1917/18.
1865	Bulgarian Perfins	No author	Perfiny, Jun. 1975, 2, (6)	S.E.P.S. TRANS. 79. Some details of the 13 known perfins of Bulgaria.
1866	We Have the Gadget	No author	Perfiny, Jun. 1975, 2, (6)	S.E.P.S. TRANS. 79. The Czechoslovak perfin society has obtained a perforator, minus its pins, which they hope to refurbish. Details are given of this pre-war machine.
1867	Additional Twins	No author	Perfiny, Jun. 1975, 2, (6); Sep. 1975, 2, (7); Nov. 1975, 2, (9)	S.E.P.S. TRANS. 79/80/82
1868	A Difficult Road	No author	Perfiny, Sep. 1975, 2, (7); Oct. 1975, 2, (8)	S.E.P.S. TRANS. 80/81.
1869	Austrian Perfins	No author	Perfiny, Sep. 1975, 2, (7)	S.E.P.S. TRANS. 80
1870	Russian Perfins	No author	Perfiny, Oct. 1975, 2, (8)	S.E.P.S. TRANS. 81
1871	Library Perfins	Pritt, Boris & Everett, Roy	Perf. Soc. Bull., Feb. 1990, (244), 9	Two non postal perfins from Ealing and Hammersmith Public Libraries are illustrated.
1872	COX Perfins	Cox, Peter E.J.	Perf. Soc. Bull., Feb. 1990, (244), 10-12	Illustrated article on COX full name perfins. Three of these belong to banks in London, later part of Lloyds. A diagonal COX (C5680.03) has been found with Dundee perfins, possibly used by Cox Brothers, Jute Manufacturers. See 4089 for part 2.
1873	Leeward Islands - some observations on the M.C./A. and M.C./B. perfins	Hall, Andrew	Perf. Soc. Bull., Feb. 1990, (244), 12	Some illustrations of perfins M.C./A. and M.C./B. on Leeward Islands QV postage stamps and Edward VII fees stamps.
1874	Perfins on 2d Blues	Powell, Reg	Perf. Soc. Bull., Feb 1990, (244), 12	A twopenny blue plate 15 perfin JnoS (J5790.01) is reported and described. It is believed to be the same as reported by Jennings on various 1d red plates. (Complete)
1875	Why were they used ?	Zampach, Frantisek	Perfiny, Apr. 1975, 2, (4)	S.E.P.S.TRANS. 77
1876	Vatican Does Not Know	No author	Perfiny, Nov. 1975, 2, (9)	S.E.P.S. TRANS. 82. No perfins are known on postage stamps of Albania, Serbia or Vatican State. However a perfin OPLACENO was used on Serbian revenues.
1877	German Perfins	No author	Perfiny, Nov. 1975, 2, (9)	S.E.P.S. TRANS. 82
1878	Forerunners of Perfins	Janecek, L. & Brod, Z.	Perfiny, Dec. 1975, 2, (10)	S.E.P.S. TRANS. 83. Brief summary of some overprints and underprints predating the first perfins.
1879	More about Newspapers	No author	Perfiny, Dec. 1975, 2, (10)	S.E.P.S. TRANS. 83. Follow up to 1875.
1880	French Perfins	No author	Perfiny, Dec. 1975, 2, (10)	S.E.P.S. TRANS. 83
1881	Combination Perfin Pairs on Cover	Edwards, A.	Perf. Soc. Bull., Apr. 1986, (222), 2
1882	Carron Company	Burns, I.	Perf. Soc. Bull., Apr. 1986, (222), 3-5	Some information on Carron Company, iron foundry. They used perfins C/CC and CnCo. The author feels that the C/CC perfin should be CC/C, and his reasoning is explained.
1883	Australian High Commission Perfin	Anderson, D.	Perf. Soc. Bull., Apr. 1986, (222), 7
1884	Perfins of Leicestershire	Gault, R.	Perf. Soc. Bull., Apr. 1986, (222), 9
1885	Partial Perfins	Powell, R.	Perf. Soc. Bull., Apr. 1986, (222), 10	Perfin H&W/Ld (Tilles H779) is shown to be N&W/Ld (Tilles N363.3) with one pin missing, apparantly due to damage rather than deliberate modification.
1886	Spanish Perfins	Everett, R.	Perf. Soc. Bull., Apr. 1986, (222), 11
1887	Members Interests	Rucklidge, J.M.	Perf. Soc. Bull., Apr. 1986, (222), 13-14	Some notes on the author's approach to collecting and mounting GB perfins.
1888	To Include or Not to Include	Drazan, V.	Perfiny, Jul. 1976, 3, (1)	S.E.P.S. TRANS. 84. Discussion of whether perfin MFs on Austrian stamps shouls be included in a collection of Czechoslovak perfins. In the catalogue the user is in Prague, but covers have come to light with ident of M.Fischla Synove, Vienna, Austria.
1889	Swiss Perfins	No author	Perfiny, Jul. 1976, 3, (1)	S.E.P.S. TRANS. 84
1890	POKO System	No author	Perfiny, Dec. 1974, 1, (5)	S.E.P.S. TRANS. 39
1893	Perfins on Postal Valuables	No author	Perfiny, Oct. 1974, 1, (2)	S.E.P.S. TRANS. 71. Reports of perfins on Czechoslovak postcards and parcel receipts.
1894	Perfins on P.C. 1919	No author	Perfiny, Oct. 1974, 1, (3)	S.E.P.S. TRANS. 72. Reports of perfins on the Hungarian stamps overprinted P.C. 1919 (?) Translation not very clear.
1895	Types of R.26	No author	Perfiny, Oct. 1974, 1, (3)	S.E.P.S. TRANS. 72. An article regarding perfin RM (R26), used by Liberec Fair (Reichenberger Messe). Country not clear, but presumably Czechoslovakia.
1896	Perfins on Revenue Stamps	No author	Perfiny, Oct. 1974, 1, (3)	S.E.P.S. TRANS. 72. Only two perfins are known on revenues of Czechoslovakia. These are A44 (A.R.) and Var.4 (kotva).
1897	Registry of Business Names	Greenhill, G.E.	Perf. Soc. Bull., June 1986, (223), 2	The Registry of Business Names is known to have used perfin R.B.N as a cancellation from 1939. Now two 5/- stamps perfin cancelled by the registry in 1931 with perfins that appear to be part of a CANCELLED carpet die have come to light.
1898	Perfinned Overprinted Issues	Smith, A.	Perf. Soc. Bull., June 1986, (223), 3	Examples of overprinted GB stamps perfinned. Two are officials, the other three commercial overprints for General Electric Co., Corporation of Sheffield and Mappin & Webb.
1899	North Yorkshire County Council	Everett, R.	Perf. Soc. Bull., June 1986, (223), 4; Perf. Soc. Bull., Aug. 1976, (224), 6	Ten different positions of the mutlidie NY/CC of North Yorkshire County Council are illustrated. See also 4240.
1900	Bank and Insurance Perfins	Tarrant, R.	Stamp Mag., March 1994	An introductory review of G.B. bank and insurance perfins giving references where further information can be obtained on the history of bank and insurance companies.
1901	Hong Kong Security Markings	Tsang, M.W.	Pub. M.W. Tsang, 1994, pp. 174	A fully illustrated catalogue of perfins, firms' chops (overprints) and other miscellaneous markings. The 'security markings' listing by Messers Phillippe Orsetti and Peter Pugh, published by the Hong Kong Study Circle in 1992 is also included in the book.
1902	The New Illustrated Catalogue	Gault, R.	Perf. Soc. Bull., Apr. 1994, (269), 6-8	An announcement of the commencement of the new Perfin Society Illustrated catalogue is made together with a review of the previous major catalogues of G.B. perfins (Van Lint, Tilles, Edwards). The new format and layout is illustrated.
1903	New York Belting & Packing Company Ltd. and I.O/Co Perfin.	Mathews, J.	Perf. Soc. Bull., Apr. 1994, (269), 9	Follow up to 4133. The perfin I.O/Co has been identified with the International Okonite Co. Ltd. The company was later taken over by the New York Belting & Packing Co. Ltd. The U.S. perfin NYB/PCo is also illustrated.
1904	Partial Perfins or New Dies	Scott, D.	Perf. Soc. Bull., Apr. 1994, (269), 10	A strike of die F.H/&Co (F1790.01) on a ½d plate resulted in only the letters F.H appearing. The use of full size dies on these half sized stamps could result in mistaken new dies being reported.
1905	Perfinned Foreign Bill Stamps	Parkhill, K.	Perf. Soc. Bull., Apr. 1994, (269), 10-11	Follow up to 4135. Following an appeal for information on perfinned foreign bill stamps a simplified listing of dies reported to date is given.
1906	SBSAL Perfin	Nelson, J.	Perf. Soc. Bull., Apr. 1994, (269), 11	Follow up to 4135. The perfin die SBSAL is provisiionally identified with the Standard Bank of South Africa. The die SBBSAL/18 is believed to be its predecessor the Standard Bank of British South Africa.
1907	When is a Perfin Not a Perfin?	Steere, S. & Hayward, N.	Perf. Soc. Bull., Apr. 1994, (269), 12	Examples of punch cancellations of high value stamps used on telegram forms are described. Different punch types were apparently used by different offices.
1908	Indentifying the Fake of Canada's OH/MS, Type 1	Pugh, K.	Perf. Bull. Sept 1978, 31, (8), 6	Reprinted from Pugh's "Reference Manual of BNA Fakes, Forgeries and Counterfeits - Release No. 4" Detailed illustrations and measurements comparing genuine and fake OH/MS Type 1 appearing on Canada's stamps of 1923-39.
1909	Shermack Perfins Listing in Scott Specialized Catalog	Kent, D.A.	Perf. Bull., Feb. 1994, 47, (2), 20	Shermack perfins are listed in the 1994 edition of the Scott Specialized Catalog. The pricing of these stamps is reviewed. The catalogue also lists a Schermack perfin with Scott Cat. #344 with Mailometer Type 1 perforations. This entry is questioned. Also the US Postal Service regulations for perforating as published in 1993.
1910	MSU - Pattern	Allen, W.C.	Perf. Bull., Feb. 1994, 47, (2), 21-22	The ten pin perforator for pattern M242-253 is in the possesion of the author. When Michigan State College became a university the die MSC was modified to MSU. The means by which this modification was made is described.
1911	The History of the Perfins Club	Mewhinney, R.L.	The Perfins Club, 1970, pp.15.	Founded in 1943 the Perfins Club of the United States has become the premier club devoted to perfin collecting. The clubs growth and development are traced through the years and the leading members of the society.
1912	Finland	Saarinen, B.E.	Perf. Bull. Nov 1953, pp. 3.	First appeared in Suomen Postimerkkilehti in Jan. 1953. Perfins are known from Finland from 1897 but the Postal Administration only gave instructions on their use from 1907. Only 10 dies appearing on some 130 different values have been identified on the stamps of Finland. Each are illustrated and users are identified where known the listing being in chronological order.
1913	Z Punch	Laura, J.J.	Perf. Bull., Nov/Dec. 1993, 46, (10), 224; Perf. Bull., Feb. 1994, 47, (2), 28	A postcard is illustrated with the letter 'Z' punched through both the 1 cent Ben Franklin issue of 1908 and the postcard. No information is available on the meaning of this punch (Complete).
1914	Illustrated Handlist of G.B. Perfins - Hospital Dies.	Hamitt, Parkhill, Steere and Gault.	The Perfin Society, 1993, pp. 28	An illustrated handlist of all dies identified as having been used by hospitals, hospital boards and management committees, asylums and associated trades and organisations. The format used to describe each perfin is the same as that used in the Tomkins Catalogue of Identified G.B. Perfins.
1915	Another Tasmanian OS	Smetsers, W.	South Pacific Perf. Bull., July 1989, 4
1916	G.B. Official Perfins	Edwards, T.A. and Lucas, B.C.	Published by The Perfin Society, 1984, pp. 69.	Duplicate of 0916. The handbook comprehensively covers all official perfins to be found on the stamps of Great Britain including a detailed description of the forgeries to be found of the Board of Trade Perfin. It also includes perfins used by foreign government organisations in the U.K. and perfins found on fiscal issues.
1917	Scott's Standard Postage Stamp Catalogue 1971, Vol 2.	No author	Scott's Publishing Co, New York, 1970, pp. 1.	Extract from the Scott's catalogue covering the EIPA 30 perfinned airmail stamps of France.
1918	Southern School Book Depository *	Murin, R.	Perf. Bull., Nov/Dec 1993, 46, (10), 225; Feb. 1994, 47, (2), 28	Perfin pattern S251.5 (SS/BD) is positively identified by an illustrated cover as belonging to the Southern School Book Depository. In 1963 it was renamed as the Texas School Book Depository.
1919	New Zealand Philatelic Federation THANK/YOU Perfins	Samuel, R.	South Pacific Perf. Bull., July 1989, 5-6
1920	Punctured endorsements on the Surface Printed Issues (G.B.)	Jennings, C.	S.E.P.S., 19??, pp.9	Duplicate of 0920. An alphabetical listing of some 250 perfin dies which have been found on the various surface printed stamps of Great Britain.
1921	Simplified List of Punctured Endorsements on Stamps Issued for Security Purposes from 1864 up to date	Jennings, C.	Charles Jennings, November 1955, pp. 42.	One of the first published listings of Great Britain perfin dies compiled from lists originally made by Charles Bein, Hugh Vallency and Charles Nissen. The list highlights dies found on 1d plates and 1d lilacs.
1922	The Introduction of Punctured Endorsements	Jennings, C	S.E.P.S., 19??, pp 35.	An early article, probably by Charles Jennings, which investigates which was the first die made by Slopers. It introduces classification of ampersands, illustrating 16 possible types. The main part is a detailed listing of dies found on the line engraved series.
1923	Y Catalog Bach Perffinau Cymraeg/Catalogue of Welsh Perfins	Edwards, T.A.	1985, pp. 24.	Duplicate of 0923. A catalogue of all perfins identified as having been used in Wales. The catalogue is illustrated and is designed to be used as an album if required.
1924	Stanley Gibbons Priced Postage Catalogue, Part 3,	No author	America, Asia & Africa, 1970, pp. 1.	In July 1958 after stocks of current issues of Honduras had been looted eighteen different facsimile signatures validated the remaining stamps for use. (Complete)
1925	Perfins used in the French Colonies and French Offices abroad.	No author	Source unknown. pp. 25.	Illustrated listing with user identities where known covering the following colonies and agencies: French Equitorial Africa, French West Africa, Alexandria, Algeria, Germany (Wurtenburg, Baden), China, Grand-Liban, Indo-China, Canton, Hoi-Hoa, Kouang- Tcheou, Mongtzeu, Pakkoi, Tchongking, Yunnanfou, Levant, Madagascar, Marocco, Monaco, Port-Said, Reunion, Sarre, Tunisia.
1926	Canadian postage Stamps perforated, and Overprinted OHMS and "G"	Wrigley R.	3rd Ed. 1964	This comprehensive catalogue begins with their background and then lists all known stamps perforated OHMS, prices being given for each known position (inverted, reversed etc.) as well as double and treble perfins. (5th Edition 0009)
1927	Philas Perfins	Hancock, B.	South Pacific Perf. Bull., July 1989, 7	Duplicate of 2177.
1928	Canadian Stamps with Perforated Initials, 2nd Edition	No author	Published by The British North America Philatelic Society, 1961. pp. 31.	The second Edition of this standard catalogue. For a more detailed description refer to Abstract 0050 which details the 3rd edition.
1929+	Canadian Stamps with Perforated Initials 4th Edition	Johnson, J.C. & Tomasson, G.	The British North America Philatelic Society, 1985. pp. 124.	Duplicate of 0929. The fourth Edition of this standard catalogue is greatly extended from the 3rd edition. For a more detailed description refer to Abstract 0050 which details the 3rd edition.
1930	Official Catalog of Canada Precancels 7th Edition,	Walburn, H.G. and Mychenberg, G.C.	1965, pp.56.	Precancels were first issued in Canada in 1889 and were applied to the stamps by means of rubber rollers. This catalogue lists and prices all known precancels.
1931	Perfins of Tsarist Russia	Pritt, B.	Perf. Soc. Bull., Dec. 1989, (243), 14-16	Russian stamps were not perforated by private organisations. High value stamps can be found perforated to prevent reuse of stamps that had been used for receipt purposes. These were used during the period 1911 to 1918.
1932	English Minor Varieties Line Engraved Series	Skipton, S. C.	Philat. J.G.B. Nov 1899 9 (11) 201-205; Dec 1899 9 (12) 221-231
1933	The 1941 Provisionals	Rymer Young, K.	S.E.P.S. Bull., May 1964
1934	British Stamps Perforated with Firms' Initials	Vallencey, F. H.	Stamp Collect, Jul 23rd 1933, 425-6; Jul 30th 1933, 445-6; Aug 6th 1933, 469-470, 476-477
1935	CDP Link with Charles D. Phillips	Brown, R	Perf. Soc. Bull., Feb. 1991, (250), 6	A description of a 1904 bank draft from Fishguard & Rosslare Railway & Harbours Company with stamp perfin CDP (C2130.01),made out to Charles D. Phillips. A similar 1906 draft had perfin GS/WR. This railway company became part of Great Southern & Western Railway.
1936	An Impression of My Visit to Slopers Works	Hill, Dave	Perf. Soc. Bull., Feb. 1991, (250), 6-7	The author had recently visited Sloper's works, and describes some of the machines and methods used there.
1937	G/N/C Perforator	Steere, S.	Perf. Soc. Bull., Feb. 1991, (250), 8	The machine used to perforate G/N/C of the General Nursing Council has been donated to the Perfin Society.
1938	IBHL Perfin	Werner, Magnus	Perf. Soc. Bull., Feb 1991, (250), 8-9
1941	The Joseph Rowntree Village Trust	Powell, Dr. R.	Perf. Soc. Bull., Feb. 1991, (250), 10	It is known, from first hand recollection, that in the 1940s the Joseph Rowntree Village Trust used a perfin JRVT but no examples have come to light.
1942	First Update of the Catalog of US Perfins	Balough, J.J.	Perfins Club 1982 pp 15.	Additions and Corrections to the Catalog of US Perfins issued by the Perfins Club of the US
1943	Board of Trade Perfins	Smith, R.	Perf. Soc. Bull., Dec. 1989, (243), 13	A vertical pair of the 1881 2½d Blue Plate 22, Wmk. Imp. Cr. with the Board of Trade perfin is illustrated.
1944	Cumulative Index - The Perfins Bulletin 1945-1992	Roy, R.	Pub. The Perfins Club 1993, pp.125
1945	Found - A POKO Machine	Hill, D.	Perf. Soc. Bull., Dec. 1989, (243), 12	A POKO machine used by the Midland Bank is reported to be owned by Dr. Jean Alexander of Glasgow. (Complete)
1946	Recent Usage of Pattern S98	Laura, J. Jr	Perf. Bull. Oct 1993, 46, (9), 201	A 1991 cover showing recent use of USA perfin SD (S98) by South Dakota Department of Social Services.
1947	Pentwater, MI Vacation	Estes, J.E.	Perf. Bull. Oct 1993, 46, (9), 202-203	A 1969 US picture postcard is illustrated. Sent from Ludington, MI to Josephine Thompson at the Court House in Ottawa, Illinois, the attached stamp has a Co inside a C perfin pattern (C85) and appears to be personal use of the Cook County perfin. See 3431.
1948	R96 - Roberts, Johnson & Rand Shoe Company	Smetsers, W.	Perf. Bull. Oct 1993, 46, (9), 203-4	Illustration of a USA cover dated 17 July 1908 with perfin R96 and ident of Roberts, Johnson & Rand Shoe Co., Saint Louis, MO.
1949	C/AN/S Perfin	Carr, Chris.	Perf Soc. Bull., Feb. 1991, (250), 10-11	A guide to differentiating the 9 different C/AN/S (C0270.xx) perfins, with an appeal for reports of any multiples.
1950	Perfin on The Stamps of Jersey	No author	Perf. Soc. Bull. Oct 1991, (254), 7; Dec 1991, (255) 12-13 ; Apr 1992, (257) 3
1951	BIRD Perfin	No author	Perf. Soc. Bull., June 1989, (240), 3; Aug. 1989, (241), 13; Dec. 1989, (243) 10; Oct 1991, (254) 8; Feb 1992, (256) 7
1952	J. Sloper Checkpoint Ltd.	Smith, R.	Perf. Soc. Bull., Oct 1991, (254), 9	Some details of the sale of Slopers to Widepack in 1990 and then to Checkpoint in 1991. The name J. Sloper Checkpoint Ltd was adopted on 6 March 1991. The operation has since been transferred to Berkshire and the Tower Royal Works closed.
1953	Perfins of British Malaya	Giffen, P.	Perf. Soc. Bull., Oct 1991, (254) 9	Updates to the catalogue "Perfins of British Malaya" (1240).
1954	Commonwealth of Australia Perfins	Smith, R.	Perf. Soc. Bull., Oct 1991, (254) 10-11	Various pieces of information on the CofA and C/OF/A perfins of Australia House, London. Inlcudes early date of 10 February 1911, some theories on the machanics and methods of perforation, and the statement that the C/OF/A hasn't been used since 1972.
1955	Navy & Army Canteen Board (Edwards Die N0075.01)	Smith, R.	Perf. Soc. Bull., Oct 1991, (254) 12	The history of the Navy & Army Canteen Board from 1917 to 1921 and their perfin N.A./C.B.
1956	The New Zealand Philatelic Federation Perfins 1988-1990	Samuel, R.D.	Perf. Soc. Bull., Oct 1991, (254) 13-15	Part 3 of an article on the perfins of New Zealand Philatelic Federation, dealing with ROYAL/100 and NZ/1990 perfins for exhibitions, plus the THANK/YOU perfin on 1c and 2c stamps.
1957	Perforated Coil Stamps- A Significant Twist ?	Gault, R.	Perf. Soc. Bull., Oct 1991, (254) 16-17	In 1920, when the post office started producing sideways delivery coils and Multipost starting converting existing machines. It seems that the perfin ERCo (E3850.01) of Edinburgh Rubber Co ws converted and it is known upright and sideways.
1958	C & T Harris (Calne) Ltd	Gault, R.	Perf. Soc. Bull., Dec 1991, (255) 5-6	C&T Harris & Co of Calne used perfins CT/HCo and CTH, the latter on coils, as confirmed by Sloper's ledgers. It appear that they did not have an affixing machine but tore stamps by hand from the coils.
1959	J. Sloper & Co. Ltd., 1858-1991	Nelson, J.	Perf. Soc. Bull., Dec 1991, (255) 7-9	Details of some items rescued from the closure of Sloper's Tower Royal Works in 1991, including postwar ledgers.
1960	AdA Perfin	Nelson, J.	Perf. Soc. Bull., Dec 1991, (255) 9	Follow up to 248.07 on perfin AdA.
1961	Elaborate Design	Nelson, J.	Perf. Soc. Bull., Dec 1991, (255) 10-11	The very elaborate H/&Co/Ld perfin has been identified with Humber & Co of Beeston, Bicycle Manufacturers. The design has 133 holes and is similar to their trademark (illustrated). See also 242.11, 243.10.
1962	African Association Ltd., Liverpool	Swales, A.	Perf. Soc. Bull., Dec 1991, (255) 14	The history of The African Association, Liverpool, users of perfin AA/Ld. It was an amalgamation of Thomas Harris & Co; Stuart & Douglas; Holt & Cotterill; Hatton & Cookson; British & Continental African Co; Liverpool African Co; Couper, Johnson & Co; Taylor, Laughland & Co; Richard & William King.
1963	Batty & Co., and Borwick	Swales, A.	Perf. Soc. Bull., Dec 1991, (255) 14
1964	High Value Perfins	Bavin, M.	Perf. Soc. Bull., Dec 1991, (255) 15
1965	LBI Perfin	Carr, C. and Smith, A.	Perf. Soc. Bull., Dec 1991, (255) 15	Follow up to 253.6 on Sloper dies. Reports of perfin LBI, LB/I and LB/T.
1966	Catalogue of The Perfins of the Netherlands and Overseas Areas - A Review	Smith, R.	Perf. Soc. Bull., Feb 1992, (256) 4	Review of the new Netherlands catalogue (2016).
1967	Commercial Perfins of Australia - A Review	Smith, R.	Perf. Soc. Bull., Feb 1992, (256) 5-6	Review of the new Australia catalogue (2002).
1968	GP/Co Perfin	No author	Perf. Soc. Bull. Aug. 1991, (253), 9; Feb 1992, (256), 7	Follow up to 4586 on the G.P. Government Tea advertising cards with GP/Co perfins.
1969	CT/StR Perfin	No author	Perf. Soc. Bull. (247) 199 , 4; Aug. 1991, (253), 7 ; Feb. 1992, (256), 7	Follow up to 253.7, some details of Charles Tennant, who had interests in explosive and mining companies.
1970	What is a Perfin ?	Birch, B.	Perf. Soc. Bull. Feb 1992, (256), 8-10
1971	Perfin "S.S" (S6420.03 11,11 5½ mm)	Smith, R.	Perf. Soc. Bull. Feb 1992 (256), 11-12	Details of proving items for the identity of Stevens & Sons Ltd, Law Publishers & Booksellers of Chancery Lane, London, users of perfin S.S (S6420.03).
1972	A.H. Perfin of the Archbishops House	Hill, D.	Perf. Soc. Bull. Feb 1992, (256), 12	A description of Archbishops House in Ambrosden Avenue, Westminster. Archbishops House used several perfins.
1973	Diagonal "A/C/S" Perfin (A1460)	Hill, D.	Perf. Soc. Bull. Feb 1992, (256), 12
1974	Ferguson, Shaw & Sons	Smith, R.	Perf. Soc. Bull. Feb 1992, (256), 13	Some examples of the perfin FSS (F3910.01) of Ferguson, Shaw & Sons of Glagow on receipts are described. One is a partial SS, which is listed as a separate perfin S6410.01a in the catalogue.
1975	A German "Philatelic Perfin"	Swanston, A. W.	Perf. Soc. Bull. Feb 1992, (256), 14-15	A German cover is illustrated with perfin RN and the outline of a rocket. This was used on a 1964 rocket mail flight.
1976	Perforated Coil Stamps - Jaeger's POKO Affixers	Gault, R.	Perf. Soc. Bull., Feb 1992, (256), 16-18	An illustration of a British advert for the POKO affixing machine, plus the POKO alphabet is illustrated. Also different types of POKO perfin J (used by Jaeger) on GB stamps are identified.
1977	GH Perfin	No author	Perf. Soc. Bull., Apr. 1990, (245), 4; June 1990, (246), 7; Apr. 1992, (257), 3	Follow up to 245.4, 246.7. Sloper records show GH (G2060.01) and CH/GH (C3220.01) as being used by "Guys (Evelina) (New Cross)". These were used by Guys Hospital, Evelina Hospital and New Cross Hospital.
1978	Colne Valley & Halstead Railway	Everett, R.	Perf. Soc. Bull., Apr. 1992, (257), 4-6	The perfin CV/R (C8180.01) is illustrated and the history of its user, Colne Valley & Halstead Railway is given. Includes a diagram of the line, taken over by London & North Eastern Railway, closed by British Rail, reopened by Colne Valley Railway Co.
1979	Uruguay Perfin	Nievergelt, R.	Perf. Soc. Bull., Apr. 1992, (257), 7	Illustration of a Uruguay stamp affixed to an advertising label and used in 1932. The label and stamp have been perforated through with CI/DA.
1980	1d Plates - Perfin I&R/M	Smith, A.	Perf. Soc. Bull., Apr. 1992, (257), 8-9	A listing of penny plates with perfin I&R/M in the initial state (I2170.04), later with two pins removed from the M (I2170.06) and an intermediate stage with only one pin missing. The plate numbers support the idea that this is progressive pin loss.
1981	Things are not always what they seem	Smith, R.	Perf. Soc. Bull., Apr. 1992, (257), 9	Two examples of identities that do not appear to match the initials of the perfin. BFC used by Beeston Boiler Co (formerly Beeston Foundry Co. Ltd.). P.N.B used by Gust, Keen & Co, Birmingham, who took over The Patent Nut & Bolt Co.
1982	Victorian Government Punctures (VG's) Catalogue	Toop, B.	Perf. Soc. Bull., Apr. 1992, (257), 10	Details of some fakes of VG perfins of Australia, reported by the author of the Victorian Government Punctures catalogue.
1983	Copestake, Hughes, Crampton & Co.	Smith, R.	Perf. Soc. Bull., Apr. 1992, (257), 11-13	Illustrations of the various perfins and underprints of Copestake & Co. With discussion of how they fit in with the changing title of the company as partners came and went.
1984	Perforated Coil Stamps - A POKO "Look Alike"	Gault, R.	Perf. Soc. Bull., April 1992, (257) 14-15	Illustration of two subtly different VL dies used by Venesta Ltd. The first was produced by a POKO machine. Later, they used a Sloper perfin which was apparently supplied in sheets that were then torn by hand to form coils for the POKO machine.
1985	The Perfins of China	Paul N. Davey	Pub. The China Stamp Society Inc. 1992, pp 22.	The handbook covers perfins found on the stamps of Imperial and Republican China, Foreign Post Offices, Local Posts, Manchoukuo and the P.R.C. It does not include stamps of foreign offices without overprints, used in the treaty ports. However stamps of the French Indo-Chinese post offices, used in Indo-China proper are included.
1986	Slopers Publicity Letters	Summers, F.	Perf. Soc. Bull. June 1993, (264), 5-6	Follow up to 236.16. A 1960 Sloper advertising card is described. This was sent to the English Sewing Cotton Co. in Manchester. They used perfins E4230.01 and E4340.01 earlier in the 20th century, and it seems may have been trying to attract them back.
1987	Insurance Stamp Perforations	Cokayne, W.	Perf. Soc. Bull. June 1993, (264), 6	Details, from a fomer Sloper director, of the manufacture of ballot perforating machines and the process of applying perforated cancellations to National Insurance stamps.
1988	J. Sloper & Co. - Additional Information	No author	Perf. Soc. Bull. June 1993, (264), 7	Mr. E.F. Laver, a former Sloper director gives some details of the war work undertaken at Tower Royal Works. Also he reveals that perfins RTF and MMF were produced for the personal use of governing director R.T. Firminger and his wife Marjorie Firminger.
1989	Perforated Postal Stationery	Scott, D.	Perf. Soc. Bull. June 1993, (264), 7-9	An original 1869 letter from Joseph Sloper to his brother is illustrated. This deals with the construction of a die "like CORY" to perforate envelopes with MB/&Co. A CORY postal stationery item is illustrated.
1990	More from the Sloper Record Books	Scott, D.	Perf. Soc. Bull. June 1993, (264), 9-12	Some illustrations from Sloper impressions books of 1866 and 1874, showing sample on white (later coloured) paper and the use od symbols to denote the individual maker.
1991	A Polish Forger	Werner, Magnus	Perf. Soc. Bull. June 1993, (264), 13-17	A report of forgeries of perfins on stamps of Germany, Finland, Aden, Tasmania, Jamaica, Hong Kong, British Honduras, New South Wales, St Vincent, Mauritius, Straits Settlements and Western Australia. All came from Poland in late 1992 or early 1993.
1992	Evidence for Multiple Impression Dies	Gault, R.	Perf. Soc. Bull. June 1993, (264), 18-20	Several examples of multidies are illustrated, showing variation between individual dies. Includes perfins modified by the removal of letters where one die has a pin left over.
1993	The Butterfly Alphabet	Gault, R.	Perf. Soc. Bull. June 1993, (264), 21	6 different dies are illustrated which have similarities and appear to be from the same maker. The W is particularly distinctive and looks like a butterfly.
1994	The New Zealand "Thank You" Perfin	Smith, Rosemary	Perf. Soc. Bull., Feb. 1991, (250), 12-13
1995	Perfins on the Graphite Lined Issues of G.B.	Schwerdt, Bob & Gault, Roy	Perf. Soc. Bull., Feb. 1991, (250), 14-15	A list of the 33 dies (with values) known on graphite lined issues.
1996	Maw & Company - Encaustic Tile Makers	Gault, Roy	Perf. Soc. Bull., Feb. 1991, (250), 16-17	A history of Maw & Co, tile manufacturers, and their MAW perfins.
1997	Canadian News and Comments	Bentham, L. W.	Western Stamp Collect. Jan. 20, 1962	Duplicate of 0997
1998	Crawfords Card Question	Taylor, M.	UB Times, No 106. April 1979	Duplicate of 0998
1999	Still Stamping Out Those Perforations	Birch, B.	UB Times, No 119. October 1980	Duplicate of 0999
				ITEMS 2001 - 3000 >>>

BACK TO THE ABSTRACTS INTRODUCTION

The contents of this website are copyright © The Perfin Society