Praegu kuvatakse: Šveits - ITU (1970 - 1979) - 4 margid.
30. august WM: mitte ükski Disain: Alfred Cserno y Jean - Jacques Chevalley. Gravüür: Courvoisier. S.A. perforatsioon: 11¾
![[ITU Headquarters, Geneva, Tüüp C]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/C-s.jpg)
12. veebruar WM: mitte ükski Disain: Alfred Cserno, Heinrich Heusser y Jean - Jacques Chevalley. perforatsioon: 11¾
![[ITU Activities, Tüüp D]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/D-s.jpg)
![[ITU Activities, Tüüp E]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/E-s.jpg)
![[ITU Activities, Tüüp F]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/F-s.jpg)