The 100th Anniversary of Wireless Telegraphy 1997
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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://swmedia-4cd6.kxcdn.com/media/catalogue/Slovakia/Postage-stamps/GM-s.jpg)
