This set of 2 armchairs was produced by thonet (original paper labels are still under the seats as you may see in the attached picture) and most probably designed by josef frank. This particular model was catalogued as model no. B245 or b246, depending on seating type. The armchairs are in very good condition, have been gently restored and are ready to use. Dimensions: h 67cm w 55cm d 55cm seat height: 43cm 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