Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1989
International Philatelic Exhibition World Stamp Expo '89 in Washington, United States, commemorating the 20th Congress of the Universal Postal Union
14. November WM: None Sheetsize: 50 Design: W. Andrzejewski Engraving: PWPW. Perforation: 11