American Topical Association
Wednesday, March 5th, 2008: Associations, Clubs & Societies, Links, Topicals or ThematicsThe American Topical Association (ATA) serves members in 65 countries. It is the largest philatelic society devoted to this specific area of stamp collecting. Organized in 1949, the ATA has over 56 years of service to its members. It ...
BPA Certificate
Friday, February 8th, 2008: Associations, GlossaryA certificate issued by an expert of the British Philatelic Association, which indicates the genuineness or otherwise of a stamp or cover.
ASCAT
Tuesday, December 4th, 2007: Associations, Catalogues, GlossaryInternational Association of Publishers of Stamp Catalogues.
Approval Dealers Protection Society (ADPS)
Monday, December 3rd, 2007: Associations, GlossaryThese initials in an advertisement or on a letter heading signify membership of the Society, which provides various services for approval dealers. See www.adps.org.uk
ASDA
Sunday, December 2nd, 2007: Associations, GlossaryIndicates membership of either the American or the Australian Stamp Dealers Association (now known as the Australasian Philatelic Traders' Association or APTA).