Set of 4 vintage chairs from the 1980s. Design and manufaturing by Karl Friedrich Förster, Germany. Sturdy metal frame. Black lacquered. Original blue upholstery on seat and back in very good condition. The cover is a skai material, artificial leather. Manufacturer's mark on the back. 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