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