| Issuer: Bulgaria
Date: 4/29/1966 (1966 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 407257-Luna_IX_landing |
| Issuer: Bulgaria
Date: 4/29/1966 (1966 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 407257-Luna_IX_landing |
