| Added by |
 Maciej Pasztor
|
| General Description : | The spores of this moss, "lycopodium powder", are explosive if present in the air in high enough densities. They were used as flash powder in early photography and magic acts. |
| Face value | 4,50 złotego |
| Catalog code (Michel) | PL 1773 |
| Catalog code (Scott) | PL 1514 |
| Catalog code | Yvert et Tellier PL 1628 Stanley Gibbons PL 1753 AFA number PL 1659 Polish Stamps Catalog (Fischer) PL 1626 |
| Series | Protected medicinal plants |
| Place in series | 4 |
| Stamp colour | Multicolored |
| Stamp use | Commemorative stamp |
| Print run | 3,423,030 |
| Issue date | 14/06/1967 |
| Designer | Andrzej Heidrich |
| Paper type | White, middel, chalky |
| Print technique | Offset lithography |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 11½ x 11¼ (comb) |
| Height | 34.00 mm |
| Width | 27.00 mm |
| Catalog prices | No catalog prices set yet |
