The 100th Anniversary of the Interparliamentary Union 1989
Now showing: Switzerland - Postage stamps - 1989 - The 100th Anniversary of the Interparliamentary Union - 1 stamps.
1989
The 100th Anniversary of the Interparliamentary Union
25. August WM: None Sheetsize: 50 Design: Rolf Zoéllig. Engraving: Courvoisier. S.A. Perforation: 11¾
![[The 100th Anniversary of the Interparliamentary Union, type BBR]](https://www.stampworld.com/media/catalogue/Switzerland/Postage-stamps/BBR-s.jpg)
