Kevin Kregel, Steven Lindsey, Kalpana Chawla, Winston Scott, Takao Doi and Leonid Kadeniuk have all hand signed the cover.
SPACE SHUTTLE STS 7 CREW SIGNED POSTAL COVER SALLY RIDE UACC & AFTAL RD
SPACE SHUTTLE STS 73 CREW SIGNED 8x10 NASA LITHOGRAPH ASTRONAUT AUTOGRAPH UACC
STS 6 CREW SIGNED SPACE SHUTTLE PATCH POSTAL COVER NASA ASTRONAUT AUTOGRAPH
STS 7 CREW SIGNED SPACE SHUTTLE POSTAL COVER ASTRONAUT AUTOGRAPH SALLY RIDE
SPACE SHUTTLE STS 93 CREW SIGNED 8x10 NASA LITHOGRAPH ASTRONAUT AUTOGRAPH UACC
