Rare American office chair - wooden - swivel - 50s/60s - child

Very nice wooden swivel office chair. 50s/60s. Ideal for a child. Vintage American style from the 50s/60s. The central part of the foot and the screw that allows you to adjust the height are made of cast iron; It rotates 360 degrees. Easily adjusted. Approximate dimensions. H 80cm X D41cm X W 55.5cm. Minimum seat height 45cm maximum 55cm. L at the seat 35.5cm. Used chair but in very good condition: see photos. Please note that it is stable in the low position, but moves when you raise the chair: age-related wear. A black stain on the seat of the chair. See photo, possibly ink. Ask for a delivery quote before purchase.