Commemorative cover with a stamped cachet honoring the Beacon Explorer launch, signed in felt tip and ballpoint by John Glenn, Deke Slayton, Alan Shepard, Wally Schirra, and Scott Carpenter. Also includes a Mercury-Atlas 9 recovery cover signed in black felt tip by Gordon Cooper. In fine condition. Accompanied by an unsigned FDC. Pre-certified Zarelli Space Authentication.
Terms and abbreviations used in our descriptions.