OBJECT SHOWCASE: U.S.
first U.S. airmail stamp is also the most famous. When a sheet
of the 1918 24-cent airmail stamp with the airplane vignette
inverted relative to the frame, philatelic history was made.
Since 1918, a number of notable aircraft and aviation pioneers
have been celebrated on U.S. airmail stamps.
Learn more about the most famous U.S. airmail stamp, the Inverted Jenny.