| Added by |
 vladone
|
| Face value | 20 zlotych |
| Catalog code (Michel) | PL 3182 |
| Catalog code (Scott) | PL 2887 |
| Catalog code | Yvert et Tellier PL 2990 Stanley Gibbons PL 3196 AFA number PL 3073 Polish Stamps Catalog (Fischer) PL 3034 |
| Series | 40th Anniversary of PPR and PPS Unification |
| Stamp colour | black / vermilion |
| Stamp use | Commemorative stamp |
| Print run | 6,000,000 |
| Issue date | 15/12/1988 |
| Designer | Janusz Wysocki |
| Print technique | photogravure |
| Perforation | comb 11½ x 11¾ |
| Height | 25.00 mm |
| Width | 31.00 mm |
| Catalog prices | No catalog prices set yet |
