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November 20‑22, 2009
American Revenue Association
Éire Philatelic Association
Great Britain Collectors Club
State Revenue Society
November 16‑18, 2012
(Latin American Fiesta)
Colombia‑Panama Philatelic Study Group
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November 19‑21, 2010
American Air Mail Society
American Society of Polar Philatelists
France & Colonies Philatelic Society
November 22‑24, 2013
Polonus Philatelic Society
Society of Australasian Specialists/Oceania
United Postal Stationery Society (tentative)
United States Stamp Society
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November 18‑20, 2011
American Association of Philatelic Exhibitors
China Stamp Society
Civil Censorship Study Group
Military Postal History Society
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