Otto Wagner for Jacob and Josef Kohn Secessionist Movement Stained Bentwood Chair, with Pierced Vase Splat & Branded Stamp to Chair Underside Made in Vienna Austria Jacob & Josef Kohn, also known as J. & J. Kohn, was an Austrian furniture maker and interior designer in Vienna. Jacob Kohn (1791–1866) together with his son Josef Kohn (1814–1884) founded the enterprise in 1849. Kohn would later rise to become one of the leading furniture makers in Austria-Hungary, becoming one of the leading competitors of Gebrüder Thonet. Kohn worked together with artists of the Wiener Werkstätte and Josef Hoffmann in the design of many pieces. Kohn merged with Mundus in 1914, which in turn merged with Gebrüder Thonet in 1921 to become the world’s largest furniture manufacturer. 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