| Added by |
 Maciej Pasztor
|
| General Description : | Wilhelm Marceli Nencki (1847, Boczki, Zduńska Wola County - 1901, Saint Petersburg) was a famous Polish chemist and doctor. |
| Face value | 60 groszy |
| Catalog code (Michel) | PL 697 |
| Catalog code (Scott) | PL 514 |
| Catalog code | Yvert et Tellier PL 611 Stanley Gibbons PL 708 AFA number PL 591 Polish Stamps Catalog (Fischer) PL 559 |
| Series | 1st Congress of Polish Science |
| Stamp colour | olive green |
| Stamp use | Commemorative stamp |
| Print run | 2.131.000 |
| Issue date | 25/06/1951 |
| Designer | Bogusław Brandt |
| Paper type | White; Thin Smooth |
| Print technique | Photogravure |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12¾ (comb) |
| Height | 21.30 mm |
| Width | 19.60 mm |
| Catalog prices | No catalog prices set yet |
