Universal Ship Cancellation Society

Founded in 1932, the U.S.C.S. is an international philatelic organization of over 1,100 members with an interest in postmarks and covers from all maritime services. This includes Navy ships of all countries, Marine Corps, Coast Guard, Navy bases, merchant ships with seapost and paquebot markings, related cachets, and other naval memorabilia. It is the only organization in the United States devoted to Navy and maritime covers, and is one of the oldest specialized postal history societies in the world.