The 150th Anniversary of the Scientific Society in Plock, founded in 1820 1970
Montre maintenant: Pologne - Timbres-Poste - 1970 - The 150th Anniversary of the Scientific Society in Plock, founded in 1820 - 1 Timbres-poste.
1970
The 150th Anniversary of the Scientific Society in Plock, founded in 1820
3. juin WM: Aucun Taille de la feuille: 30 Modèle: Henryk Chyliński Gravure: PWPW. Perforation: 11¾
![[The 150th Anniversary of the Scientific Society in Plock, founded in 1820, type BHP]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BHP-s.jpg)
