Poland
0.18 - 0.22$
price on 09.10.2022
| Country: | Poland |
| Type: | Postage stamps |
| Series: | Piast dynasty's influence on the development of Silesia |
| Nominal: | 4 zł |
| Year: | 1975 |
| Size: | 44 x 26 mm |
| Perforation: | comb 11¼ x 11¾ |
| Mintage: | 2,135,000 |
Piast dynasty's influence on the development of Silesia
 Piast Family Eagle 0.05$ |  Seal of Prince Boleslaw of Legnica 0.04$ |  Coin of Prince Jerzy Wilhelm 0.18$ |