http://www.trumanlibrary.org/photographs/view.php?id=2172.. Harry S. Truman Library picture collection. Pauline Testerman, Audiovisual Archivist, says there is no copyright on this 1949 Christmas card created and sent to President Truman from Carpenter.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.