Airmail - The 7th National Philatelic Exhibition in Warsaw 1957
Now showing: Poland - Postage stamps - 1957 - Airmail - The 7th National Philatelic Exhibition in Warsaw - 1 stamps.
1957
Airmail - The 7th National Philatelic Exhibition in Warsaw
28. March WM: None Sheetsize: 12 Design: S. Jasiński Perforation: 11½ x 11¾
![[Airmail - The 7th National Philatelic Exhibition in Warsaw, type WY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/WY-s.jpg)
