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| General Description : | Boletus edulis, commonly known as penny bun, porcino or cep, is a basidiomycete fungus, and the type species of the genus Boletus. Widely distributed in the Northern Hemisphere across Europe, Asia, and North America. |
| Face value | 40 groszy |
| Catalog code (Michel) | PL 1095 |
| Catalog code (Scott) | PL 844 |
| Catalog code | Yvert et Tellier PL 961 Stanley Gibbons PL 1089 AFA number PL 985 Polish Stamps Catalog (Fischer) PL 950 |
| Series | Mushrooms |
| Place in series | 3 |
| Stamp colour | Multicolored |
| Watermark | Posthorn Type 2 Multiple [SL] |
| Stamp use | Commemorative stamp |
| Print run | 9,955,200 |
| Issue date | 08/05/1959 |
| Designer | Czesław Borowczyk |
| Paper type | White; middel, smooth |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11¼ x 11¼ x 11½ (harrow) |
| Height | 31.50 mm |
| Width | 44.70 mm |
| Catalog prices | No catalog prices set yet |
