| Added by |
 Maciej Pasztor
|
| General Description : | 7th and 13th Polish Trade Union congresses |
| Face value | 60 Groszy |
| Catalog code (Michel) | 2203 |
| Catalog code (Scott) | 1929 |
| Catalog code | Polish Stamps Catalog 2056 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 8,145,000 |
| Designer | Karol Śliwka |
| Paper type | Middel; white; chalky |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11½ x 11¼ (comb) |
| Height | 43.00 mm |
| Width | 31.25 mm |
| Catalog prices | No catalog prices set yet |
