| Issuer: Bulgaria
Date: 10/10/1964 (1964 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 407103..s_1964_-_Tokyo Record of changes |
| Issuer: Bulgaria
Date: 10/10/1964 (1964 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 407103..s_1964_-_Tokyo Record of changes |
