• cartoon_051010winner
    May 10, 2010, 11:35 AM

    U.S. Notes Cartoon Contest May 10, 2010

    Thanks to U.S. Notes readers for a large group of highly entertaining entries for the May cartoon caption contest featuring the venerable 24ยข Curtiss Jenny Invert airmail stamp of 1918 (Scott C3a) shown in Figure 3.