Great American Stamp Show 2021

Co-hosted by the American Philatelic Society, the American Topical Association
and the American First Day Cover Society

Join us in Rosemont, Illinois  for the largest national stamp and postal history show in the country.

To ensure the show is viable, we’ve set the following benchmarks to be met by May 15, 2021:

  • Commitment of at least 500 frames of competitive exhibits;
  • Booth deposits received from a minimum of 75 dealers; and
  • Participation of at least 25 or more societies.

See latest news story.
All booth holders and attendees will be required to follow state requirements which we expect to include wearing of masks and social distancing. We will keep everyone apprised of the requirements.


Whether you are a new or experienced collector, the Great American Stamp Show packs four days of shopping, seminars, exhibits, education and fun for all ages. (Bring your most comfortable shoes, you will need them!)

The Great American Stamp Show brings together stamp collectors from all over the world to share their ideas on the future of the hobby, the chance to reconnect with old friends and make new ones!

The FREE event is co-sponsored by the United States Postal Service. The USPS will also have a large retail presence offering a selection of current U.S. stamps for sale.



August 12-15, 2021
Thurs. -  Sat. 10 a.m. - 6 p.m.  • Sun. 10 a.m. - 4 p.m.


Donald E. Stephens Convention Center - Hall G
5555 N River Rd • Rosemont, IL 60018


* 75+ Dealers - Cachetmakers Bourse

* 500+ Frames of Exhibits & Three of America's Rarest Postal Items

*Meetings & Seminar



Admission is FREE!

The show is family-friendly and FREE to the public.
Pre-registration is recommended to help you save time and avoid on-site registration lines.

  Click here for more things to do around Rosemont 




GASS Future Dates/Locations

Aug. 25-28, 2022 - Sacramento, CA
Aug. 10-13, 2023 - Cleveland, OH
Aug. 15-18, 2024 - Hartford, CT

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