Poland
Print: Polska Wytwórnia Papierów Wartościowych
| Country: | Poland |
| Type: | Postage stamps |
| Series: | Cities of Poland |
| Nominal: | 20 gr |
| Year: | 2017 |
| Material: | white medium smooth fluorescent |
| Size: | 31.25 x 25.5 mm |
| Perforation: | comb 11½ x 11¾ |
| Mintage: | 10,000,000 |
