The fk swivel chair is an iconic design from the 1960s, produced by walter knoll germany. designed by danish designers jørgen kastholm and preben fabricius . due to its elegant shape, this chair is also known as the tulip chair. the chair features a hard, black polished synthetic seat shell upholstered in high-quality leather. The base consists of a black lacquered metal tripod, providing a stable foundation and a light, modern appearance. This is the variant with a low backrest, giving the chair a subtle and minimalist look. with its clean lines and high-quality materials, the fk chair is a beautiful example of timeless scandinavian design. A true design classic that fits effortlessly into both modern and vintage interiors. dimensions: h89 x w71 x d, seat height 46 cm, base diameter 86 cm. 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