| Issuer: Hungary
Date: 9/20/1977 (1977 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 174648.._Research_1977 Record of changes |
| Issuer: Hungary
Date: 9/20/1977 (1977 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 174648.._Research_1977 Record of changes |
