| Issuer: Czechoslovakia
Issue: 20th Anniversary of First Manned Space Flight Date: 4/5/1981 (1981 sheets) INCOMPLETE Block 1 (0, 0 x 0) 0, 0: 6kc d=Yuri Gagarin (1981) 0, 0: 6kc d=Yuri Gagarin (1981) |
External links: Colnect 122325..ht-Anniversary Record of changes |
