Czechoslovakian Kovona workshop chair from the 1970s

Workshop chair produced by kovona in czechoslovakia in the 1970s. The chair is swivel, rests on a solid brown metal base, is adjustable in depth and height with a seat height that can vary from 42 to 55cm and can be equipped with casters. The seat and back are made of curved plywood. Very nice design. Very good condition with only minor wear.