| Issuer: Bulgaria
Date: 10/4/1976 (1976 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 418210..astery_Frescos Record of changes |
| Issuer: Bulgaria
Date: 10/4/1976 (1976 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 418210..astery_Frescos Record of changes |
