Suite of 4 vintage stamp chairs

Suite of 4 vintage chairs "stamp" from the 70s. Reference stamp 01 nurieux ref 214 c inscribed on the back of the backrest and under the chair. Structure in polypropylene of orange color, the base of compass shape is of brown color. They are solid, stable and stackable, they are in their juice and have some slight traces of use. Seat height: 46 cm.