In height adjustable (desk) chair of Biofiz, 1960s

Tough industrial office chair from biofiz, poland. The design is super! Solid steel legs, wooden back/seat and height adjustable by turning at the seat. There is only 1 seat left, price per chair. The seats are used intensively and therefore have user traces, but that gives them more character! Number of pieces: only 1 piece in stock. Period: 1950 – 1975. Designer/ brand: biofiz. Origin: poland. State: in good condition with user traces. Measurements: 84 cm approx. Height, 40 to 48 cm seat height and seat width 38 X 37 cm.