Polonja
Muri Bhalissa: Polonja - Bolol tal-posta (1860 - 2024) - 1 bolol.
1968
Fifth Meeting of the Polish United Workers' Party
11. November WM: Xejn Qies ta'karta: 20 Disinn: F. Winiarski Inċiżjoni: PWPW. Perforazzjoni: 11¼:11