The 25th Anniversary of the Universal Postal Union - U.P.U. 1900
Now showing: Switzerland - Postage stamps - 1900 - The 25th Anniversary of the Universal Postal Union - U.P.U. - 3 stamps.
1900
The 25th Anniversary of the Universal Postal Union - U.P.U.
2. July WM: 1 Sheetsize: 50 Design: Eugène Grasset y Frédéric Florian. Perforation: 11¾