Switzerland
Now showing: Switzerland - Postage stamps (1849 - 2024) - 1 stamps.
1979
Events - The 100th Anniversary of the Birth of Othmar Ammann - Esperanto Congress, Luzern, Basel Airport
21. February WM: None Sheetsize: 50 Design: Walter Hättenschweiler Engraving: courvoisier Perforation: 11¾
![[Events - The 100th Anniversary of the Birth of Othmar Ammann - Esperanto Congress, Luzern, Basel Airport, type ARZ]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/ARZ-s.jpg)
![[Events - The 100th Anniversary of the Birth of Othmar Ammann - Esperanto Congress, Luzern, Basel Airport, type ASA]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/ASA-s.jpg)
![[Events - The 100th Anniversary of the Birth of Othmar Ammann - Esperanto Congress, Luzern, Basel Airport, type ASB]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/ASB-s.jpg)
![[Events - The 100th Anniversary of the Birth of Othmar Ammann - Esperanto Congress, Luzern, Basel Airport, type ASC]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/ASC-s.jpg)
