desc_issuer: United States desc_year: 1941 desc_denom: 50c Related descs: issuer=United States-1940-10c issuer=United States-1942-3c Not used by any overprinted stamps. Used by 3 (1 visible) images: See images as array 1941_airmail_stamp_C31.jpg Matches 1 type: United States airmail 10/29/1941 50c org issue=1941 air d=twin-motor transport plane unwmk perf=11x10.5 |