Poola
Praegu kuvatakse: Poola - postmargid (1860 - 2024) - 1 margid.
1957
The 100th Anniversary of the Foundation of the Society for Science in Poznan
15. november WM: mitte ükski lehe suurus: 100 Disain: J. Skoracki perforatsioon: 12½:12¾
![[The 100th Anniversary of the Foundation of the Society for Science in Poznan, Tüüp YB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/YB-s.jpg)
