Mercury-Atlas 7 launch day cover with a stamped cachet honoring the second man in orbit, signed vertically in ink by six of the original astronauts, “V. I. Grissom,” “Donald K. Slayton,” “Leroy G. Cooper, Jr.,” “W. M. Schirra,” “M. Scott Carpenter,” and “J. H. Glenn, Jr.” Cover also bears a secretarial signature of Alan Shepard. In fine condition. Pre-certified Zarelli Space Authentication.
This item is Pre-Certified by STEVE ZARELLI
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