British Postmark Society – www.britishpostmarksociety.org.uk
The British Postmark Society (BPS) was founded on 1st January 1958 and exists to promote and to co-ordinate the study and collection of British postal markings, particularly of the 20th and 21st centuries, and the means and mechanisms by which they are applied, and to publish and disseminate the results of our studies. Our members’ interests include hand and machine datestamps, slogan and special event postmarks, explanatory and instructional labels and markings, Post Office and Post & Go postage labels, Royal Mail SmartStamps and Online Postage indicia, and printed postage impressions of Royal Mail and other licensed postal operators.On line Special Event and Slogan catalogues
Great Britain Philatelic Society – www.gbps.org.uk
The GBPS was founded in 1955 by a small but enthusiastic group of collectors. Since then it has grown steadily to over 700 members both in this country and abroad.
The Society’s primary aim is to promote, encourage and contribute to the advancement of the philately of Great Britain. The GBPS now covers all aspects of GB philately: stamps, postal history, postal stationery, booklets, college stamps, revenues, telegraphs, and philatelic conservation.
The GBPS has contributed much to the field of GB philately. This is certain to continue as new members with fresh ideas join.
The Association of Great Britain First Day Cover Collectors (GBFDC) – www,gbfdc.co.uk
GBFDC is an independent organisation that publish an informative Newsletter six times a year & has an annual Cover Auction. They also produce official first day covers exclusively for their membership
The G.B Perfin Society www.angelfire.com/pr/perfinsoc/
The Perfin Society was formed in the UK in 1957 and currently has over 300 members around the world.The Society’s main concern is the study of the Perfins of the UK. A perfin is a number of small holes in a distinct pattern applied to stamps as security against theft.The name perfin is a condensed form of PERForated INitials, or PERForated INsignia.
British First Day Covers (BFDC) – www.bfdc.co.uk
Cover Collecting.Com – www.covercollecting.com