Polen
Viser nå: Polen - Postfrimerker (1860 - 2024) - 1 frimerker.
1992
Postal Treaty with the Order of the Knights Hospitallers (the Knights of Malta)
10. December VM: Ingen Arkstørrelse: 30 Design: A. Heidrich Gravering: PWPW. Perforering: 11½:11
![[Postal Treaty with the Order of the Knights Hospitallers (the Knights of Malta), type DIT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/DIT-s.jpg)
