Vintage Dutch stools in plywood, 1970s, set of 4

Set of 4 vintage Dutch stools from the 1970s, made of plywood and steel. These stools feature a round seat with a diameter of 30 cm and a seat height of 46 cm. The stools are in good vintage condition, with light wear consistent with age and use, including patina, one small chip on the seat, and scratches on the legs. The colour is brown and white.