Sunday, April 10, 1977 Soviet Union, USSR will issue: Stamp "Interkosmos. International cooperation in space" face value 20, Stamp "20th Anniversary of Space Exploration." face value 20, Stamp "20th Anniversary of Space Exploration." face value 20,
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | 20th Anniv of Space Exploration |
| Date: | 1977-04-10 |
| Size: | 26 x 55 |
| Perforation: | 11½ x 12 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 20 Russian kopek |
| Print run: | 6200000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | 20th Anniv of Space Exploration |
| Date: | 1977-04-10 |
| Size: | 26 x 55 |
| Perforation: | 11½ x 12 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 20 Russian kopek |
| Print run: | 6200000 |
| Country: | Soviet Union, USSR |
|---|---|
| Issue: | 20th Anniv of Space Exploration |
| Date: | 1977-04-10 |
| Size: | 26 x 55 |
| Perforation: | comb 11½ x 12 |
| Format: | Stamp |
| Face Value: | 20 Russian kopek |
| Print run: | 5300000 |