Polen
Viser nå: Polen - Postfrimerker (1860 - 2024) - 1 frimerker.
1950
Six-Years Plan
20. July VM: Ingen Arkstørrelse: 100 Design: W. Zakrzewski Gravering: M.R. Polak Perforering: 12½ x 12¾
![[Six-Years Plan, type XLC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/XLC-s.jpg)
