Set of six "trix" chairs designed by karl friedrich förster for kff design, germany, circa 1988. black lacquered tubular steel frame and poplar plywood seat. The double curved backrest structures the design and gives the chair its distinctive character. A precise and graphic ensemble, characteristic of german design from the late 1980s. produced by: kff design, germany, circa 1988. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution