
Condition: Complete set. Each Cachet in clear poly sleeve
#1371- 1969 6c Apollo 8 Moon Orbit
#1434- 1971 8c Space Achievements: Landing Craft
#1335- 1971 8c Space Achievements: Lunar Rover
#1759- 1978 15c Viking Missions to Mars
#2277- 1988 25c E-rate Earth
#2841a- 1994 29c Moon Landing