Screw piano stool by Kohn, 1910, canned

Kohn screw piano stool n°631 (Klavierhocker) bentwood wood. Bistro. We didn't play the piano standing up in 1910! Kohn piano stool stamped below the belt. This model was manufactured from 1900 to 1915. This stool is stamped on "November 25, 1911" in the Kohn factory in wsetin. Canning is perfect, nine to six threads, manual – (SR weave) Empire black tint. Perfectly stable, variable height from 42 to 65 cm, adjustment screw without clearance. Seat diameter: 40cm. More photos and information on request. Parcels France and Europe, Alsace removal.