The United Postal Stationery Society (UPSS) was formed July 1, 1945 from the merger of the Postal Card Society of America, in existence since 1891, and the International Postal Stationery Society, founded 1939. Current membership stands at about 1,000. The organization's journal since 1949 is called Postal Stationery. Articles appear about new issues of U.S. and international postal stationery

Postal stationery

A piece of postal stationery is a stationery item, such as a stamped envelope, letter sheet, postal card, lettercard, aerogram or wrapper, with an imprinted stamp or inscription indicating that a specific rate of postage or related service has been prepaid...

, plus articles on rare and unusual stationery.

The Society has been active in producing postal stationery publications in the form of handbooks, catalogs and manuscripts since 1955. It also conducts regular auctions and a sales circuit. It regularly awards outstanding exhibits. Members have access to over 30 years of the society's journals online, plus a complete hi-resolution scan of every die used in the manufacture of US stamped envelope

Stamped envelope

A stamped envelope or postal stationery envelope is an envelope with a printed or embossed indicium indicating the prepayment of postage. It is a form of postal stationery.-Use in the United States:In August 1852 an act of the U.S...

s.

Current Publications of the Society

• Bussey, Lewis E., Ed.; United States Postal Card Catalog, UPSS (2010).
• Gibbs, Irwin, Ed.; Postal Stationery of the Canal Zone; UPSS (2009).
• Krieger, George, Ed.; The Postal Stationery of the Possessions and Administrative Areas of the United States of America, UPSS (2009).
• Littrell, Robert, Ed.; Postal Cards of Spanish Colonial Cuba, Philippines and Puerto Rico, UPSS (2010); ISBN 9780980011241.
• Mintz, Allen, Ed.; Catalog of the 19th Century Stamped Envelopes, Wrappers, Cut Squares and Full Corners of the United States; UPSS (2001). ISBN 09670045.
• Stendel, Robert; U.S. Domestic Postal Card Regulations 1874 to 1885, UPSS (2010).
• Summers, Jerry, Ed.; Catalog of the 20th Century Stamped Envelopes, Wrappers, Cut Squares and Full Corners of the United States, Second Edition, UPSS (2004). ISBN 0461004551.
• Undersander, Dan, Ed.; U.S. 20th and 21st Century Stamped Envelopes and Wrappers (2011).
• Wukasch, Ken; Postal Cards of the World's Columbian Exposition, UPSS (2005).