Bentwood armchair model a63-f, designed by the viennese architect josef frank (1885-1967) for thonet, 1930s, austria. The a63 f lounge chair belongs to a group of bentwood chairs that josef frank designed for thinet around 1929, electing to use the solid beech rods with a round cross section traditionally used for bentwood furniture. A single bentwood element forms the back legs and backrest frame, while two others provide the front legs and armrests. The backrest with its thin spindles recalls that of the traditional english windsor chair. The seat is made of plywood, and the legs are connected by a bentwood ring. The seat is low, in keeping with the chair’s function as a lounge chair. the chair has an attribution mark underneath its seat and is in a solid, good vintage condtion. See all images for a good impression. 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