Teraz pokazywane: Szwajcaria - UPU (1957 - 2012) - 4 znaczki.
1976
UPU - Inscription "Union Postale Universelle"
16. Wrzesień WM: Żadne Projekt: Burkard Waltenspül. Grawerowanie: Courvoisier. S.A. Perforacja: 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)
