| Issuer: Poland
Date: 7/21/1955 (1955 blocks) (2, 2 x 1) 1, 1: 75g d=Palace of Culture & Science in Warsaw 1, 2: 75g brn d=Palace of Culture & Science in Warsaw |
External links: Colnect 140163..h_National_Day |
| Issuer: Poland
Date: 7/21/1955 (1955 blocks) (2, 2 x 1) 1, 1: 75g d=Palace of Culture & Science in Warsaw 1, 2: 75g brn d=Palace of Culture & Science in Warsaw |
External links: Colnect 140163..h_National_Day |
