| Issuer: Bulgaria
Date: 5/19/1979 (1979 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 419700..E2%80%9979_vii Record of changes |
| Issuer: Bulgaria
Date: 5/19/1979 (1979 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 419700..E2%80%9979_vii Record of changes |
