Menampilkan: Swiss - UPU (1980 - 1989) - 2 prangko.
22. Agustus WM: Tiada Desain: Burkard Waltenspül. Ukiran: Courvoisier. S.A. Perforasi: 11¾
![[UPU - Inscription "Union Postale Universelle", Tipe G]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/G-s.jpg)
7. Maret WM: Tiada Desain: Burkard Waltenspül. Ukiran: Courvoisier. S.A. Perforasi: 11¾
![[UPU - Inscription "Union Postale Universelle", Tipe H]](https://www.stampworld.com/media/catalogue/Switzerland/UPU/H-s.jpg)
Menampilkan: Swiss - UPU (1980 - 1989) - 2 prangko.
22. Agustus WM: Tiada Desain: Burkard Waltenspül. Ukiran: Courvoisier. S.A. Perforasi: 11¾
7. Maret WM: Tiada Desain: Burkard Waltenspül. Ukiran: Courvoisier. S.A. Perforasi: 11¾