Prezentat acum: Elveţia - ITU (1970 - 1979) - 4 timbre.
30. August WM: Niciunul Design: Alfred Cserno y Jean - Jacques Chevalley. Gravură: Courvoisier. S.A. Perforare: 11¾
![[ITU Headquarters, Geneva, Tip C]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/C-s.jpg)
12. Februarie WM: Niciunul Design: Alfred Cserno, Heinrich Heusser y Jean - Jacques Chevalley. Perforare: 11¾
![[ITU Activities, Tip D]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/D-s.jpg)
![[ITU Activities, Tip E]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/E-s.jpg)
![[ITU Activities, Tip F]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/F-s.jpg)