Experiment "Sirena" cultivation of crystal
93%
Country: | Soviet Union, USSR |
---|---|
Issue: | Soviet-Polish Space Flight |
Date: | 1978-06-30 |
Print: | Offset and Lithography |
Size: | 52 x 37 |
Perforation: | comb 12¼ x 12 |
Emission: | Commemorative |
Format: | Stamp |
Face Value: | 15 Russian kopek |
Print run: | 5400000 |