Learning Articles › 1900–1949 US Stamp Sets & Series › 1925 Lexington-Concord Issue1925 Lexington-Concord Issue The Lexington-Concord Issue of 1925 was the first set of U.S. postage stamps to honor the War of Independence. These stamps honor the patriots who gave their lives – and the ideals of freedom and independence they died for. U.S. #617Washington at Cambridge U.S. #618Birth of Liberty U.S. #619The Minute Man Share this Article