The American Air Mail Society organized in 1923 is one of the oldest and largest aerophilatelic societies in existence. The dues are as low as possibl ...

Philatelists who specialize in the study and collection of U.S. and foreign first day covers (envelopes with postage stamps affixed that have been can ...

Association for the collectors of the postage stamps of Switzerland and Liechtenstein. Affiliate of the APS. Auctions and Circuits for members.

The American Philatelic Congress publishes on an annual basis a scholarly book dealing with various philatelic subjects. We have an annual convention ...

With nearly 50000 members in more than 110 countries the APS is the largest nonprofit society in the world for stamp collectors.