International Geophysical Year.
90%
Country: | Soviet Union, USSR |
---|---|
Issue: | Birth Centenary of K.E.Tsiolkovsky. |
Date: | 1957-10-07 |
Print: | Offset and Lithography |
Size: | 18 x 26 |
Perforation: | comb 12 x 12½ |
Format: | Stamp |
Face Value: | 40 Russian kopek |
Print run: | 1000000 |