1951 San Marino, commemorative airmail stamp dedicated to the 75th anniversary of the UPU, Lire 200 light blue, subject postal stagecoach on the road, in the background San Marino and Mount Titano. Intaglio print watermark winged wheel II type perforated issued in mini sheet of 6 copies. 1 mini sheet new, perfect, mint and never hinged. Catalogue Sassone n. 9, Euro 75.00.