GLENN'S FLIGHTSIGNED FIRST DAY COVER.
Postal envelope with four Mercury Program U.S. Man in Space stamps. "First Day of Issue" Cape Canaveral postmark dated February 20, 1962, the launch and flight date of Friendship 7. The envelope is displayed between paragraphs of a Typed Letter Signed by THOMAS STAFFORD.
THOMAS P. STAFFORD'S provenance letter reads, in part: "The Mercury envelope displayed below is from my personal collection. I was selected by NASA in 1962 to be a member of the second group of astronauts, the same year of John Glenn's flight. The envelope was postmarked the day of John's launch and flightFebruary 20, 1962. The envelope has been signed by astronauts Scott Carpenter, Gordon Cooper, and Wally Schirraall who were Mercury astronauts selected in 1959...."