Covers tagged "astronomy" (clear filter)

Space Achievement plate block, GAMM cachet, Kennedy Space Center 1981
Space Achievement plate block, GAMM cachet, Kennedy Space C…
Aryabhata 1975 – India's First Satellite
Aryabhata 1975 – India's First Satellite
Australia International Space Year 1992 Miniature Sheet
Australia International Space Year 1992 Miniature Sheet
1992 Space Accomplishments FDC – Long Beach Business Center
1992 Space Accomplishments FDC – Long Beach Business Center
Canada in Space Se-Tenant Hologram Stamps, October 1, 1992
Canada in Space Se-Tenant Hologram Stamps, October 1, 1992
Skylab Commemorative - Scott #1529, Houston FDC (1974)
Skylab Commemorative - Scott #1529, Houston FDC (1974)