The first American to orbit the Earth (Project Mercury, 1962) had been a highly-decorated fighter pilot in World War Two, China and Korea before his distinguished NASA career, then became a highly-respected Democratic U.S. senator from Ohio (1974-99). Item #45819
Signed First Day Cover, 6½" C 3 3/4", cancelled in Cape Canaveral, Florida on 20 February 1962 and with "First Day of Issue" boldly stamped. Single 4-cent "Project Mercury" stamp at right and large ArtCraft engraved cachet at left. Fine. In the "sweet spot" at center, Glenn signs large and bold in black marker. A choice example.