Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1945
The 7th Trade Union Congress, Warsaw
18. November WM: None Sheetsize: 50 Design: J.Wilczyk Perforation: 10¾
![[The 7th Trade Union Congress, Warsaw, type GY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/GY-s.jpg)