Attractive FDC postmarked at Cape Canaveral on February 20, 1962, the launch date of astronaut John Glenn’s Mercury-Atlas 6 mission and the flight of the Friendship 7 spacecraft, signed in felt tip by Wernher von Braun. In very good to fine condition, with some light creasing, and two envelope-inherent stains. Accompanied by a full letter of authenticity from Zarelli Space Authentication.