Schweiz
Visar nu: Schweiz - UPU (1957 - 2012) - 1 frimärken.
1989
UPU - Inscription "Union Postale Universelle"
7. mars WM: Inga Design: Burkard Waltenspül. Gravyr: Courvoisier. S.A. Perforering: 11¾
![[UPU - Inscription "Union Postale Universelle", Typ H]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/H-s.jpg)
