4 chairs by Georg Leowald for Wilkhahn

4 black plywood chairs with black metal base designed by georg leowald for wilkhahn, germany ca. 1960. Characterized by the ergonomic shape of the back and seat that provide an aesthetic and pleasant seat. All chairs are in very good condition with traces of use on the frame. See photos. Marked under seat. Dimensions: width: 52 cm. Depth: 54 cm. Height: 78cm. Seat height: 48 cm.