Visar nu: Schweiz - UPU (1957 - 2012) - 1 frimärken.
1983
UPU - Inscription "Union Postale Universelle"
22. augusti WM: Inga Design: Burkard Waltenspül. Gravyr: Courvoisier. S.A. Perforering: 11¾
![[UPU - Inscription "Union Postale Universelle", Typ G]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/UPU/G-s.jpg)
