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
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