2025 Great American Stamp Show

The Great American Stamp Show is the nation’s biggest philatelic event, hosted by the three largest philatelic organizations in the United States – the American Philatelic Society, the American Topical Association, and the American First Day Cover Society. The show is sponsored by the United States Postal Service, who will host a large retail area as well as multiple first day ceremonies. GASS will feature 75+ dealers selling stamps, covers, and other philatelic material; hundreds of frames of stamp exhibits including featured exhibits sponsored by the Royal Philatelic Society of London and the U.S. Philatelic Classics Society; participation of 40+ national specialty societies; a youth area; and meetings and seminars.