Zobrazujú sa: Švajčiarsko - UPU (1957 - 2012) - 1 známky.
1989
UPU - Inscription "Union Postale Universelle"
7. marec WM: nikto Dizajn: Burkard Waltenspül. Rytina: Courvoisier. S.A. Perforácia: 11¾
![[UPU - Inscription "Union Postale Universelle", typ H]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/H-s.jpg)
