| Description: | Topical stamp collecting is the fastest-growing facet of stamp-collecting today. The 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 is the best source of information, fellowship and authority in the topical stamp collecting field. |
American Philatelic Society
