The 100th Anniversary of Swiss Air Traffic Control 2022
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2022
The 100th Anniversary of Swiss Air Traffic Control
8. September WM: None Design: Angela Boog Engraving: Gutenberg AG. Perforation: 13
![[The 100th Anniversary of Swiss Air Traffic Control, type DEA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/DEA-s.jpg)
