International Poster Art Biennial in Warsaw 1978
Now showing: Poland - Postage stamps - 1978 - International Poster Art Biennial in Warsaw - 1 stamps.
1978
International Poster Art Biennial in Warsaw
1. June WM: None Sheetsize: 30 Design: W. Janowski Perforation: 11¾:11½
![[International Poster Art Biennial in Warsaw, type CCT]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CCT-s.jpg)
