Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1978
International Congress for Parasitologists
19. august VM: Ingen Arkstørrelse: 30 Design: T. Konarski Perforeringer: 11:11½
![[International Congress for Parasitologists, type CDB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CDB-s.jpg)
![[International Congress for Parasitologists, type CDC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CDC-s.jpg)
