Polen
Viser nå: Polen - Postfrimerker (1860 - 2024) - 1 frimerker.
1950
3rd Congress of Post Office Employees
21. January VM: Ingen Arkstørrelse: 100 Design: B. Kleczewski Gravering: B. Brandt Perforering: 12½ x 12¾
![[3rd Congress of Post Office Employees, type XKU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/XKU-s.jpg)
