| Issuer: Poland
Date: 7/21/1955 (1955 blocks) (2, 2 x 1) 1, 1: 60g ultra d=Palace of Culture & Science in Warsaw 1, 2: 60g d=Palace of Culture & Science in Warsaw |
External links: Colnect 140162..h_National_Day |
| Issuer: Poland
Date: 7/21/1955 (1955 blocks) (2, 2 x 1) 1, 1: 60g ultra d=Palace of Culture & Science in Warsaw 1, 2: 60g d=Palace of Culture & Science in Warsaw |
External links: Colnect 140162..h_National_Day |
