2 vintage swivel wooden office chairs year 70

Swivel office chair (fixed in height). Year 70 fully restored. Seat covered with a stain-resistant fabric of color white breakage. The seat and backrest are nicely framed by woodwork. Legs and rear backrest are well stable. The seat is also of good quality. No breaks or gaps on the swivel mechanism model really uncommon to find. More info or photos on request. General condition very good.