Black leather Kubus sofa model ''8020'' designed by Josef Hoffmann for Wittmann. This Kubus sofa is designed in 1910 for the Buenos Aires exhibition to celebrate the Argentina's independence. Since 1960, the sofa has been produced by the Austrian producer Wittmann. This is a early 1980's edition. Made of soft black leather and wooden frame and legs. Marked with label. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution