Mid century Bauhaus black leather iconic S34 armchair by mart Stam for Thonet 1980sBauhaus black leather iconic armchair by mart Stam for Thonet 1980s Mart Stam and Thonet signify a powerful joining of 19th and 20th Century design powerhouses, and Stam's cantilever chairs for Thonet are a wonderful realization of decades of work. Revolutionizing modern design during the Bauhaus movement in the 20s, Stam is most known for his use of tubular metal and strong leathers, and his cantilever chairs are still highly regarded and sought