Catalogues for sale
For catalogue orders and enquiries please email Steve Steere at perfin.society@gmail.com
This page gives details of our main catalogue of GB perfins, the Gault-2 catalogue, together with some other catalogues covering specific aspects of GB perfins.
We no longer offer printed catalogues. Instead, we offer the electronic options listed below.
Scroll down the page for more details on these catalogues.
To order any of these catalogues, please email Steve Steere at perfin.society@gmail.com
Sloper 154
Roy Gault
2022
USB "Twister" memory stick
Released on 13th March 2022 to coincide with the 154th anniversary of Joseph Sloper being granted permission to perforate G.B. Postage Stamps with the initials of firms, the ‘Twister’ USB memory stick contains the following in pdf format:
- The complete Catalogue of G.B. Perfins (Details), now named The Gault-2 Catalogue of G.B. Perfins {over 3,400 pages}
- The Tomkins Catalogue of Identified G.B. Perfins. {699 pages}
- The complete ‘G.B. Stamps known with Perfins’. {1,700 pages}
- A Catalogue of Great British Perfins found on Stamps from Coils {160 pages}
- The Catalogue of Perfins on Seahorses (4th Edition) {173 pages}
- The Catalogue of Perfins on the GB 1935 Silver Jubilee issue (4th Edition) {173 pages}
- The Catalogue of Irish Perfins (2nd Edition) {173 pages}
- All GB Perfins spreadsheet listing the 25,010 Perfins in the Gault Catalogue, and a guide to identifying partials by using it
- Sloper Records, which includes the 1868 letter from the Postmaster General giving J Sloper permission to perforate Postage Stamps
- A complete set of the Perfin Society Bulletin 1957-2021 {8,697 pages}
The information on the stick is correct as at 1st January 2022.
Please note that the Sloper 154 ‘Twister’, priced at £30 plus postage, is only available to Perfin Society members.
Please contact the Treasurer at perfin.society@gmail.com for postage options and prices.
Gault-2 Catalogue of Great British Perfins
Roy Gault
2022
Digital publication, 3400 pages
Released on 13th March 2022 (the 154th 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 2022) 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 3,400 pages.
This catalogue is only available as part of the "Sloper 154" USB memory stick detailed above.
Updates to the Gault-2 catalogue are published every two months.
Gault-2 Catalogue sample page
The Ron Bowman Railway Catalogue
Roy Gault
Railway Perfins of Great Britain & Ireland (1868-1990)
2025
Digital publication, 190 pages
ISBN 978-0-9564628-7-9
Named after the late Ron Bowman, who produced the first catalogue of GB railway perfins in 1976.
Covering a ‘Brief History of GB Railways’, with the all important brief histories of each GB Railway Company who used Perfins, along with Foreign Railways based in the UK, plus any suppliers of railway equipment and services etc.
Full details of each of the 288 perfin dies from 104 different companies appear at the back of the book.
Perfins on the Line Engraved Issues of Great Britain
Roy Gault and Maurice Harp
First Edition
2024
Digital publication, 449 pages
Awarded a Large Vermeil medal in the Literature L3 class at the EuroPhilEx 2025 international exhibition.
A detailed listing of all 1,383 Different Dies (using the tried and tested format in ‘Gault-2’), along with additional historical details concerning the user (where known) accompanied by numerous images adding to the story.
There is also a 90 page introduction expanding on the ‘Handbook of British Perfins’ first published by John Nelson in 1967, but branching out into Joseph Sloper’s family tree and his Victorian workforce, the alphabets that were used, errors, illustrated covers, and lots more and a spreadsheet itemising all the plate numbers against each of the dies.
A Catalogue of Sloper's Wartime Provisionals
Roy Gault
Second Edition
2024
Digital publication, 385 pages
A much expanded and updated edition of the Sloper Wartime Provisionals catalogue which first appeared in 1992 and won a silver medal in the Philatelic Literature section of the 1995 Autumn Stampex Exhibition held in London.
Wartime provisional perfins were produced by J. Sloper & Co. after their premises were bombed in 1941, using combinations of perfin dies to produce the required letterings.
In addition to the fully illustrated catalogue, a spreadsheet listing all 807 provisional perfins and scans of the original ledgers from J. Sloper & Co. that provided much of the information in the catalogue are included. Also included are scans of all the other post-WWII Sloper ledgers which are currently on the Perfin Society website.
A Catalogue of GB Perfins found on Stamps from Coils
Roy Gault
Second Edition
2022
Digital publication, 160 pages
The objective is to illustrate all known perfin dies used on Great British Postage Stamps coming from Coils, also referred to as ‘Rolls’. This includes the ‘unofficial’ hand-made rolls of stamps (from c1910), as well as the official rolls produced by the Post Office from August 1918. The make-up and identification of the ‘official’ rolls also appears at the back of the catalogue.
A basic introduction to ‘Coil Stamps’ has been presented that is relevant to Perfins rather than say, Vending Machines. This is followed by the details for each Perfin Die as per ‘The New Illustrated Catalogue of Great British perfins’, but organised under the various categories numbered 2 to 9 below. An overall index is included at the back to help locate any particular Perfin.
Great British Perfins found on King George V Seahorses
Ian Hammill and Roy Gault
Fourth Edition
2022
Digital publication, 172 pages
A fully illustrated catalogue of all known perfins on the GB "Seahorse" high values.
With a detailed introduction to the issue and many covers illustrated in colour.
GB Perfins found on the 1935 Silver Jubilee issue
Roy Gault
Fourth Edition
2022
Digital publication, 174 pages
A fully illustrated catalogue of all known perfins on the Great Britain 1935 King George V Silver Jubilee commemorative issue, with a detailed introduction to the issue.
The Gault Catalogue of Irish Perfins
Roy Gault
Second Edition
2022
Digital publication, 173 pages
A fully illustrated catalogue of all perfins known used anywhere in the island of Ireland, including British, Irish Free State and Eire stamps.
Tomkins Identities Catalogue
Roy Gault
12th Edition
2022
Digital publication, 699 pages
Named after the late Basil Tomkins, this 12th edition lists (without illustration) all known G.B. Perfins with identified users reported as having been used on the postage stamps of Great Britain, together with the user and period of use.
Perfins without an identified user are not included in this catalogue, but are included in Gault-2.
Tomkins Catalogue sample page
Updates to the Gault-2 catalogue
The pdf files below are updates to the second edition of the Gault Catalogue of Great British Perfins and record new dies and new identities recorded by the Catalogue Editor. The pages below include all the new dies and identities recorded since 1st January 2022, the cut-off date for inclusion in Gault-2. Scroll down to download the individual updates issued every two months.