American Topical Association

The American Topical Association (ATA) is a United States–based philatelic society founded in 1949 in Milwaukee, Wisconsin, devoted to topical and thematic stamp collecting. It publishes the bi-monthly journal Topical Time and supports affiliated study units and local chapters. Since 2021 the ATA has partnered with the American Philatelic Society and the American First Day Cover Society to co-organize the Great American Stamp Show.

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The American Topical Association (ATA) is a United States–based philatelic society founded in 1949 in Milwaukee, Wisconsin, devoted to topical and thematic stamp collecting. It publishes the bi-monthly journal Topical Time and supports affiliated study units and local chapters. Since 2021 the ATA has partnered with the American Philatelic Society and the American First Day Cover Society to co-organize the Great American Stamp Show.

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