Image of U.S. Airmail stamp, 5c, red, 1946 issue
Bureau of Engraving and Printing; Imaging by <a href="//commons.wikimedia.org/wiki/User:Gwillhickers" title="User:Gwillhickers"><i>Gwillhickers</i></a>
1946
U.S. Post Office; Smithsonian National Postal Museum