Visar nu: Schweiz - UPU (1957 - 2012) - 4 frimärken.
1976
UPU - Inscription "Union Postale Universelle"
16. september WM: Inga Design: Burkard Waltenspül. Gravyr: Courvoisier. S.A. Perforering: 11¾
![[UPU - Inscription "Union Postale Universelle", Typ C]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UPU/C-s.jpg)
![[UPU - Inscription "Union Postale Universelle", Typ D]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UPU/D-s.jpg)
![[UPU - Inscription "Union Postale Universelle", Typ E]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UPU/E-s.jpg)
![[UPU - Inscription "Union Postale Universelle", Typ F]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UPU/F-s.jpg)
