| Issuer: Russia
Date: 8/22/1973 (1973 sheets) Block 1 (1, 1 x 1) 1, 1: 50k d=1950 B V Ioganson |
External links: Colnect 88884-..iet_Union_USSR |
| Issuer: Russia
Date: 8/22/1973 (1973 sheets) Block 1 (1, 1 x 1) 1, 1: 50k d=1950 B V Ioganson |
External links: Colnect 88884-..iet_Union_USSR |
