Art Deco-style office chair with screws swivelling and tilting, wooden

Particularly rare piece. Office chair in art deco style to system. Wooden structure, screws that adjust the seat height from 50 to 65 cm and two tension adjustable springs to tip it over. The imitation beige leather is damaged, especially on the corners (this is not its original tapestry). To be retaped. Dimensions: height 86 cm, width 60 cm, depth 60 cm. Seat height of 50 to 65 cm, seating depth 45 cm.