Visar nu: Polen - Postfrimärken (1970 - 1979) - 1 frimärken.
1977
The National Philatelic Exhibition in Sieradz commemorating the 60th Anniversary of the October Revolution and the 20th Anniversary of Space Conquest
1. oktober WM: Inga storlek på arket: 15 / 3 (blok) Design: Z. Stasik Perforering: 11:11½