Commemorative cover with a cachet honoring the Mercury Seven, signed in blue and black ink, “Virgil I. Grissom,” “J. H. Glenn, Jr.,” “D. K. Slayton,” “Scott Carpenter,” “Gordon Cooper,” and “Walter M. Schirra.” Also bears a secretarial signature of Alan Shepard. In fine condition. A visually appealing example featuring one of the most desirable groups of astronauts. Pre-certified Steve Zarelli and RR Auction COA.
Terms and abbreviations used in our descriptions.