Prezentat acum: Elveţia - ITU (1958 - 2003) - 3 timbre.
1976
ITU Activities
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)