Polonja
Muri Bhalissa: Polonja - Bolol tal-posta (1860 - 2024) - 1 bolol.
1959
The Third Congress for Miners in Katowice, July 1959
1. July WM: Xejn Qies ta'karta: 100 Disinn: St. Małecki Perforazzjoni: 12½:12¾