| Issuer: Czechoslovakia
Date: 10/28/1968 (1968 sheets) INCOMPLETE Block 1 (0, 0 x 0) 0, 0: 5k d=sheet |
External links: Colnect 130261..th_Anniversary Record of changes |
| Issuer: Czechoslovakia
Date: 10/28/1968 (1968 sheets) INCOMPLETE Block 1 (0, 0 x 0) 0, 0: 5k d=sheet |
External links: Colnect 130261..th_Anniversary Record of changes |
