Poland
Perforation: comb 12½ x 12 or line 11¼ x 11
| Country: | Poland |
| Type: | Postage stamps |
| Series: | 10th anniv. Polish-USSR treaty of friendship |
| Nominal: | 40 gr |
| Year: | 1955 |
| Size: | 26 x 43 mm |
| Perforation: | Various |
| Mintage: | 294,000 |
10th anniv. Polish-USSR treaty of friendship
 Palace of Culture and flags 0.2$ |  Palace of Culture and flags |  Monument |  Monument 0.2$ |