Seven. A pair of height-adjustable office chairs on castors, steel frame. Seat and backrest upholstered with black leather. Model 3117. Designed 1955. Manufactured by Fritz Hansen. Seat height 47°55. (4) This lot is being sold at the request of a lawyer, an insurance company or a public authority. Normal patina due to age and use, including scratches and marks. One with loose height adjusting trade (included, screw missing).