Now showing: Poland - Postage stamps (2020 - 2024) - 403 stamps.
29. October WM: None Sheetsize: 12 Design: Joanna Fleszar-Haspert Engraving: Polska Wytwórnia Papierów Wartościowych. Perforation: 14
![[The 200th Anniversary of the Birth of Juliusz Kossaks, 1824-1899, type JYA]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/JYA-s.jpg)
30. October WM: None Sheetsize: 100 Design: Agata Tobolczyk Engraving: Polska Wytwórnia Papierów Wartościowych. Perforation: 14
![[The 150th Anniversary of the UPU - Universal Postal Union, type JYB]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/JYB-s.jpg)
