Inauguration of New U.P.U. Headquarters Building, Bern 1971
Now showing: Panama - Postage stamps - 1971 - Inauguration of New U.P.U. Headquarters Building, Bern - 2 stamps.
Now showing: Panama - Postage stamps - 1971 - Inauguration of New U.P.U. Headquarters Building, Bern - 2 stamps.