| Issuer: Bulgaria
Date: 5/25/1990 (1990 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 134308..ca_%E2%80%9990 |
| Issuer: Bulgaria
Date: 5/25/1990 (1990 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 134308..ca_%E2%80%9990 |
