| Issuer: Hungary
Date: 10/4/1971 (1971 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 193916..Space_Research Record of changes |
| Issuer: Hungary
Date: 10/4/1971 (1971 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 193916..Space_Research Record of changes |
