Display showcasing the autographs of all Mercury 7 astronauts, penned in the following order: ''M. Scott Carpenter'', ''Leroy G. Cooper, Jr.'', ''JH Glenn, Jr.'', ''Virgil I. Grissom'', ''Walter M. Schirra, Jr.'', ''Alan B. Shepard, Jr.'' and ''Donald K. Slayton''. Thick paper upon which the signatures are penned has embossed heading at top, ''Astronauts / Project Mercury / U.S.A.'' under which is an inscription to William R. Bush, Jr. Three hole punch and very faint discoloration at upper right, overall near fine condition. With PSA/DNA COA for all signatures.