Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1982
Unispace '82 Conference
9. August WM: None Sheetsize: 50 Design: Henryk Chyliński Engraving: PWPW. Perforation: 11½:11
![[Unispace '82 Conference, type CMO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CMO-s.jpg)