International Space Project Phobosa
93%
Country: | Soviet Union, USSR |
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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 |