Poland
The stamp exists also with the watermarks:
- Posthorn Type 2 Multiple [SR] - III-4
- Posthorn Type 2 Multiple [Rev, SL] - III-6
- Posthorn Type 2 Multiple [Rev, SR] - III-8
- Posthorn Type 2 Multiple [SR] - III-4
- Posthorn Type 2 Multiple [Rev, SL] - III-6
- Posthorn Type 2 Multiple [Rev, SR] - III-8
| Country: | Poland |
| Type: | Postage stamps |
| Series: | 40th anniv. Of the third Silesian uprising |
| Nominal: | 1.55 zł |
| Year: | 1961 |
| Perforation: | comb 12 x 12¼ |
| Mintage: | 1,261,000 |
40th anniv. Of the third Silesian uprising
 Insurgents' Monument, St.Ann's Mountain 0.49$ |  Cross of Silesian Insurgents |