Poland
| Country: | Poland |
| Type: | Postage stamps |
| Series: | Nicolaus Copernicus(1473-1543), Astronomer |
| Nominal: | 4 zł |
| Year: | 1971 |
| Perforation: | comb 11¼ x 11 |
Nicolaus Copernicus(1473-1543), Astronomer
 Copernicus house, Torun 0.08$ |  Collegium Maius, Cracow 0.07$ |  Olsztyn castle 0.06$ |  Frombork cathedral |