Map with oil pipe line from Siberia
60 gr 1961
Poland
The stamp exists also with the watermark "Posthorn Type 2 Multiple [Rev, SL] - III-6"
| Country: | Poland |
| Type: | Postage stamps |
| Series: | 15th session of the Council of Mutual Economic Assistance |
| Nominal: | 60 gr |
| Year: | 1961 |
| Perforation: | comb 12¼ x 12 |
| Mintage: | 872,000 |
15th session of the Council of Mutual Economic Assistance
 Emblem |  Map with oil pipe line from Siberia |