[MERCURY SEVEN ASTRONAUTS] - The seven astronauts posing with a model of the Mercury-Atlas rocket. The photograph is one of the earliest group signatures done by these astronauts. SIGNED BY M. SCOTT CARPENTER, LEROY G. COOPER JR, JOHN H. GLENN JR, VIRGIL I. GRISSOM, WALTER M. SCHIRRA JR, ALAN B. SHEPARD JR, AND DONALD K. SLAYTON with an inscription on the back side of the photo: "from my private collection Walter M. Schirra".