| Issuer: Bulgaria
Date: 8/30/1990 (1990 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 438858..58-63-Aircraft |
| Issuer: Bulgaria
Date: 8/30/1990 (1990 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 438858..58-63-Aircraft |
