1948 Palomar Observatory Plate Block of 4 3c Postage Stamps - MNH, OG - Sc# 966 - CX928
1948 Palomar Observatory Single 3c Postage Stamp - MNH, OG - Sc# 966 - CX928
1960 Communications For Peace - Echo 1 Plate Block Of 4 4c Postage Stamps - Sc# -1173 - MNH, OG - CX667
1960 Communications For Peace - Echo 1 Single 4c Postage Stamp - Sc# -1173 - MNH, OG - CX667a
1962 Space Project Mercury Plate Block Of 4 4c Postage Stamps - MNH, OG - Sc# 1193 - CX213
1962 Space Project Mercury Single 4c Postage Stamp - MNH, OG - Sc# 1193 - CX213
1967 - Astronaut & Space Ship Plate Block Of 4 5c Postage Stamps - Sc# 1331, 1332 - MNH, OG - CX484
1969 Apollo 8 Block Of 6 Stamps - MNH, OG - Sc# 1371 - DS198a
1969 Apollo 8 Space Moon Single 6c Postage Stamp - MNH, OG - Sc# 1371 - DS198
1969 Moon Landing Airmail 10c Plate Block Postage Stamps - MNH, OG - Scott# C76 - CX442
1969 Space Apollo 8 Plate Block Of 4 6c Postage Stamps - MNH, OG - Scott# 1371 - CX356
1969 USA Moon Landing Airmail Block of 4 10c Postage Stamps - MNH, OG - Sc# C76 - CW392e
1969 USA Moon Landing Airmail Single 10c Postage Stamp - MNH, OG - Sc# C76 - CW392d
1971 - Space Achievement Plate Block - Scott# 1434-1435 - MNH, OG - CX524
1974 Space Skylab Plate Block Of 4 10c Postage Stamps - Sc# 1529 - MNH, OG - CX480
1974 Space Skylab Single 10c Postage Stamp - Sc# 1529 - MNH - CW486a
1975 - Space Mariner Plate Block Of 4 10c Postage Stamps - Sc# 1557 - MNH, OG - CX476
1975 - Space Pioneer Jupiter Plate Block Of 4 10c Stamps - Sc# 1556 - MNH, OG - CX477
1975 - Space Pioneer Jupiter Single 10c Stamp - Sc# 1556 - MNH, OG - CX477a
1975 Space Apollo Soyuz Block of 4 10c Postage Stamps - MNH, OG - Sc# 1569
1975 Space Apollo-Soyuz (Russia) Pair - Scott# -1569-1570 - MNH, OG - CX665
1975 Space Mariner Block Of 4 10c Postage Stamps - Sc# 1557 - MNH, OG - CX476a
1978 Space Viking Missions To Mars Plate Block Of 4 15c Postage Stamps - MNH, OG - Sc# 1759 - CX316
1978 Viking Missions To Mars Single 15c Postage Stamp - MNH, OG - Sc# 1759 - CX316a
