The PMCC Online Post Office Photo Collection × 34,000 All 50 states, every U.S. county. Explore the nation's post offices with the most extensive resource of its kind.

We are a premier nonprofit affiliate of the American Philatelic Society. The PMCC maintains a host of valuable and unique resources, including the world's largest museum dedicated to postmarks (with …

The Primary Collection at the PMCC National Postmark Museum and Library consists of covers from the United States and its related territories, spanning a range from stampless covers to the ink-jet …

Every year some devoted PMCC locals book a hotel, assemble the details (no small task!), and invite us to explore their corner of the country. There are tables of free postmarks, a couple of philatelic …

The Willett-Thompson Collection, now in the PMCC Museum, is one of the most extensive single postmark collections known. The PMCC has mounted this collection on acid-free paper and …

A major component of this rapid growth was the founding of the club publication in October 1947, The PMCC Bulletin, edited by Bob Francis. Rev. Smith spent the last years of his life with his wife in …

Tables of (free!) postmarks are available for the taking at the PMCC Convention and, often, at local PMCC Chapter meetings. For those with specific items in mind, PMCC Auctions provide a great way …

PMCC: Membership We hope you'll be interested in joining the Post Mark Collectors Club, an affiliate of the American Philatelic Society (APS). Our organization has a lot to offer!

PMCC: Convention History The PMCC convention has been held annually since 1962. As of its 60th iteration the convention has been held in 32 states (as well as one Canadian province). Links to …

The Post Mark Collectors Club (PMCC) maintains an independent, accurate directory of U.S. post offices.