The Gault Catalogue of Great British Perfins
A4 sized, loose leaf
Released on 13th March 2018 as a celebration of the 150th anniversary of Joseph Sloper being granted permission to perforate G.B. Postage Stamps with the initials of Firms, this is the definitive catalogue of all GB perfins.
Every perfin known on GB stamps (as at 1st January 2018) is illustrated and details of the user, dates and place of use and which stamps are known with that perfin are given where known.
The complete catalogue runs to over 3,200 pages and is available in sections as detailed below.
The catalogue is also available, for members only, in electronic format as part of the Sloper 150 memory stick.
New Identities updates to this catalogue