Set of 4 Blue Cantilever Chairs B43 by Mart Stam for Thonet

Set of four blue cantilever chairs - two with armrests and two without. Model B43, designed in 1930s by Mart Stam and manufactured by Thonet in Germany. Made of steel and painted wood. Early production in authentic vintage condition. The chairs have different widths: 39 cm / 15.35 in. for the both chairs without armrests 52 cm / 20.47 in. for the both chairs with armrests.