| Issuer: Czechoslovakia
Date: 5/9/1966 (1966 sheets) Block 1 (1, 1 x 1) 1, 1: 5k d=sheet |
External links: Colnect 130385.._Prague_Castle Record of changes |
| Issuer: Czechoslovakia
Date: 5/9/1966 (1966 sheets) Block 1 (1, 1 x 1) 1, 1: 5k d=sheet |
External links: Colnect 130385.._Prague_Castle Record of changes |
