International Conference for Radio Amateurs, held in Warsaw 1975 1975
Now showing: Poland - Postage stamps - 1975 - International Conference for Radio Amateurs, held in Warsaw 1975 - 1 stamps.
1975
International Conference for Radio Amateurs, held in Warsaw 1975
15. April WM: None Sheetsize: 20 Design: St. Małecki Perforation: 11¼
![[International Conference for Radio Amateurs, held in Warsaw 1975, type BVK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BVK-s.jpg)
