The 100th Anniversary of Wireless Telegraphy 1997
Now showing: Slovakia - Postage stamps - 1997 - The 100th Anniversary of Wireless Telegraphy - 1 stamps.
1997
The 100th Anniversary of Wireless Telegraphy
15. April WM: None Sheetsize: 50 Design: Oliver Solga Perforation: 11¾ x 11¼
![[The 100th Anniversary of Wireless Telegraphy, type GM]](https://www.stampworld.com/media/catalogue/Slovakia/Postage-stamps/GM-s.jpg)
