Now showing: Switzerland - UPU (1980 - 1989) - 2 stamps.
22. August WM: None Design: Burkard Waltenspül. Engraving: Courvoisier. S.A. Perforation: 11¾
![[UPU - Inscription "Union Postale Universelle", type G]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/G-s.jpg)
7. March WM: None Design: Burkard Waltenspül. Engraving: Courvoisier. S.A. Perforation: 11¾
![[UPU - Inscription "Union Postale Universelle", type H]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/H-s.jpg)
Now showing: Switzerland - UPU (1980 - 1989) - 2 stamps.
22. August WM: None Design: Burkard Waltenspül. Engraving: Courvoisier. S.A. Perforation: 11¾
7. March WM: None Design: Burkard Waltenspül. Engraving: Courvoisier. S.A. Perforation: 11¾