| Added by |
 Maciej Pasztor
|
| General Description : | Ludwik Krzywicki (21 August 1859 – 10 June 1941) was a Polish anthropologist, economist and sociologist. One of the early champions of sociology in Poland, he approached historical materialism from a sociological viewpoint. From 1919 to 1936 he was a professor at the University of Warsaw. |
| Face value | 60 groszy |
| Catalog code (Michel) | 1412 |
| Catalog code (Scott) | 1153 |
| Catalog code | Polish Stamps Catalog 1264 |
| Series | Famous Pole 3 |
| Place in series | 2 |
| Stamp colour | Gray brown |
| Watermark | III 5 or III 7 |
| Print run | 2,008,800 |
| Issue date | 20/07/1963 |
| Designer | Andrzej Heidrich |
| Paper type | White; middel, smooth |
| Print technique | Offset |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12 x 12½ (comb) |
| Height | 22.00 mm |
| Width | 40.80 mm |
| Catalog prices | No catalog prices set yet |
