| Added by |
 Maciej Pasztor
|
| Face value | 30 groszy |
| Catalog code (Michel) | PL 719 |
| Catalog code (Scott) | PL 529 |
| Catalog code | Yvert et Tellier PL 629 Stanley Gibbons PL 728 AFA number PL 609 Polish Stamps Catalog (Fischer) PL 581 |
| Series | Six-Years Plan: electroindustry |
| Stamp colour | grey black |
| Stamp use | Commemorative stamp |
| Print run | 6,206,000 |
| Issue date | 15/12/1951 |
| Designer | Ryszard Kleczkowski Grav: Marian Romuald Polak |
| Paper type | White; Thin Smooth |
| Print technique | Steel engraving |
| Printed by | PWPW (Państwowa Wytwórnia Papierów Wartościowych) |
| Perforation | 12½ x 12¾ (comb) |
| Height | 27.00 mm |
| Width | 21.40 mm |
| Catalog prices | No catalog prices set yet |
