Four covers signed by Gemini astronauts: a Gemini 5 launch day cover, signed in ink by Charles Conrad and Gordon Cooper; a first day cover honoring United States space accomplishments, signed in ink by Charles Conrad, Gordon Cooper, and GT-5 recovery helicopter pilot Fred Highsmith; a Gemini 6 launch day cover, signed in ballpoint by Wally Schirra and Tom Stafford; and a Gemini 6 recovery cover, signed in felt tip by Wally Schirra and Tom Stafford. In fine condition.
