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November 21‑23, 2008
Auxilliary Markings Club
Mobile Post Office Society
Scandinavian Collectors Club
November 18‑20, 2011
American Association of Philatelic Exhibitors
China Stamp Society
Civil Censorship Study Group
Military Postal History Society
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November 20‑22, 2009
American Revenue Association
Eire Philatelic Society
Great Britain Collectors Club
November 16‑18, 2012
(Latin American Fiesta)
Colombia‑Panama Philatelic Study Group
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November 19‑21, 2010
American Air Mail Society
France & Colonies Philatelic Society
November 22‑24, 2013
Polonus Philatelic Society
American Helvetia Philatelic Society (tentative)
United Postal Stationery Society (tentative)
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