Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 2 stamps.
8. December WM: None Sheetsize: 100 Design: E. John, T. Gronowski, J. Wilczyk Perforation: 10¾; 11; 11¼
![[Working Class Party Congress and Socialistic Party Congress - Date 8-XII-1948 See Also No 472-474, type JN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JN-s.jpg)
![[Working Class Party Congress and Socialistic Party Congress - Date 8-XII-1948 See Also No 472-474, type JO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JO-s.jpg)
![[Working Class Party Congress and Socialistic Party Congress - Date 8-XII-1948 See Also No 472-474, type JP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JP-s.jpg)
15. December WM: None Sheetsize: 100 Design: E. John, T. Gronowski, J. Wilczyk Perforation: 10¾; 11¼
![[Working Class Party Congress and Socialistic Party Congress - Date XII-1948, type JN1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JN1-s.jpg)
![[Working Class Party Congress and Socialistic Party Congress - Date XII-1948, type JO1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JO1-s.jpg)
![[Working Class Party Congress and Socialistic Party Congress - Date XII-1948, type JP1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/JP1-s.jpg)
