Issue: "EXPO 89" International Stamp Exhibition, Washington DC (Soviet Union, USSR, 1989)

Friday, November 24, 1989, "EXPO 89" International Stamp Exhibition, Washington DC

Friday, November 24, 1989 Soviet Union, USSR will issue: Stamp "American Astronaut on Moon" face value 25, Stamp "Fantasy Flight to Mars" face value 25, Stamp "Flag and Shield on Mars" face value 25, Stamp "Unmanned Soviet Probe on the Moon" face value 25,