Railway Post Office - Mobile Post Office Society (MPOS)

Mobile Post Office Society (MPOS) was founded in 1950 by a group of philatelists interested in the study of United States Highway Post Offices. It soon expanded to focus on Railway Post Offices, and eventually to the enroute distribution and postmarking of mail all over the world. It is a nonprofit organization, affiliate #64 of the American Philatelic Society.

MPOS has published the definitive studies of postmarks from the Railroad, Station, Route Agent, and Messenger services, and the Railway, Highway, Streetcar, Terminal, and Air Mail Field Post Offices as well as the Transfer Offices and Clerks in United States philately. Most recently, MPOS has added a focus on the USA's Rural Free Delivery (RFD) service and postmarks that were used around the beginning of the 20th century. 1996 saw the start of a study of "TRANSIT" markings used at intermediate Post Offices.

Site URL: http://www.eskimo.com/~rkunz/mposhome.html
Date resource added: 27-Oct-2016
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