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.
Now showing: Switzerland - Postage stamps - 1900 - The 25th Anniversary of the Universal Postal Union - U.P.U. - 3 stamps.