Now showing: San Marino - Postage stamps (1950 - 1959) - 1 stamps.
1951
The 75th Anniversary of the Universal Postal Union - U.P.U.
31. January WM: 4 Design: Franzoni & V. Nicastro Engraving: Instituto poligrafico dello stato Perforation: 13¼ x 14
![[The 75th Anniversary of the Universal Postal Union - U.P.U., type EY3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/San-Marino/Postage-stamps/EY3-s.jpg)
