Four covers signed by Mercury astronauts: two multi-signed Project Mercury FDCs, each signed in ballpoint by Scott Carpenter, Wally Schirra, and Gordon Cooper; an Apollo 7 launch day cover honoring Wally Schirra's achievements in space, signed in black felt tip, "W. M. Schirra"; and an Apollo 7 launch day cover honoring Schirra's MA-8 flight, signed in black ballpoint, "Wally Schirra, Σ7 to Apollo 7." In overall fine condition, with an address label removed from one of the multi-signed covers.
