Schweiz
Visar nu: Schweiz - Postfrimärken (1849 - 2024) - 1 frimärken.
1991
The 100th Anniversary of the PTT Union
10. september WM: Inga storlek på arket: 50 Design: René Mühlemann. Gravyr: Courvoisier. S.A. Perforering: 11¾
![[The 100th Anniversary of the PTT Union, Typ BDS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/BDS-s.jpg)
