The 100th Anniversary of the International Amateur Radio Union 2025
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2025
The 100th Anniversary of the International Amateur Radio Union
25. April WM: None Engraving: BPost Philately & Stamps Printing. Perforation: 13
![[The 100th Anniversary of the International Amateur Radio Union, type CGL]](https://www.stampworld.com/media/catalogue/Luxembourg/Postage-stamps/CGL-s.jpg)
