Sada prikazujemo: Švicarska - ITU (1970 - 1979) - 1 marke.
1973
ITU Headquarters, Geneva
30. Kolovoz WM: Ništa Dizajn: Alfred Cserno y Jean - Jacques Chevalley. Graviranje: Courvoisier. S.A. Perforacija: 11¾
![[ITU Headquarters, Geneva, Tip C]](https://www.stampworld.com/media/catalogue/Switzerland/ITU/C-s.jpg)
