Polonia
Prezentat acum: Polonia - Timbre poştale (1860 - 2024) - 1 timbre.
1970
The 150th Anniversary of the Scientific Society in Plock, founded in 1820
3. Iunie WM: Niciunul Marimea foii: 30 Design: Henryk Chyliński Gravură: PWPW. Perforare: 11¾
![[The 150th Anniversary of the Scientific Society in Plock, founded in 1820, Tip BHP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BHP-s.jpg)
