Issue: Soviet Phobos probe approaches Mars (Soviet Union, USSR, 1989)

Monday, April 24, 1989, Soviet Phobos probe approaches Mars

Monday, April 24, 1989 Soviet Union, USSR will issue: Souvenir Sheet "International Space Project Phobosa" face value 50, Stamp "International Space Project Phobosa" face value 50,

International Space Project Phobosa

International Space Project Phobosa
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Country: Soviet Union, USSR
Issue: Soviet Phobos probe approaches Mars
Date: 1989-04-24
Print: Photogravure
Size: 90 x 66
Perforation: frame 11½ x 12
Emission: Commemorative
Format: Souvenir Sheet
Face Value: 50 Russian kopek
Print run: 1300000