| Issuer: Bulgaria
Date: 9/1/1978 (1978 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 419723..CA_%E2%80%9979 Record of changes |
| Issuer: Bulgaria
Date: 9/1/1978 (1978 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 419723..CA_%E2%80%9979 Record of changes |
