Zobrazujú sa: Švajčiarsko - UPU (1970 - 1979) - 4 známky.
1976
UPU - Inscription "Union Postale Universelle"
16. september WM: nikto Dizajn: Burkard Waltenspül. Rytina: Courvoisier. S.A. Perforácia: 11¾
![[UPU - Inscription "Union Postale Universelle", typ C]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/C-s.jpg)
![[UPU - Inscription "Union Postale Universelle", typ D]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/D-s.jpg)
![[UPU - Inscription "Union Postale Universelle", typ E]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/E-s.jpg)
![[UPU - Inscription "Union Postale Universelle", typ F]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/F-s.jpg)
