Pologne
Montre maintenant: Pologne - Timbres-Poste (1860 - 2024) - 1 Timbres-poste.
1957
The 100th Anniversary of the Foundation of the Society for Science in Poznan
15. novembre WM: Aucun Taille de la feuille: 100 Modèle: J. Skoracki Perforation: 12½:12¾
![[The 100th Anniversary of the Foundation of the Society for Science in Poznan, type YB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/YB-s.jpg)
