| Added by |
 Maciej Pasztor
|
| General Description : | 4 stamps 1) Morświn -The harbour porpoise (Phocoena phocoena) 2) Foka Szara -The grey seal (Halichoerus grypus, meaning "hooked-nosed sea pig") 3) Foka Pospolita - The harbor (or harbour) seal (Phoca vitulina) 4) Foka Obraczkowa - Ringed Seal (Phoca Hipsida) |
| Face value | 2 x 1,55 and 2 x 1,95 Złoty |
| Catalog code (Michel) | PL 4433-4436 |
| Catalog code | Polish Stamps Catalog Pl - 4283-4286 |
| Series | Mammals of Baltic |
| Stamp colour | multicolour |
| Stamp use | Block |
| Print run | 540,000 each |
| Issue date | 31/07/2009 |
| Designer | Agata Tobolczyk |
| Paper type | Fluorescent |
| Print technique | Offset lithography |
| Printed by | PWPW SA (Polska Wytwórnia Papierow Wartosciowych SA) |
| Perforation | Syncopated 11½ |
| Height | 43.00 mm |
| Width | 31.25 mm |
| Catalog prices | No catalog prices set yet |
