Set of three chairs Plia, Giancarlo Piretti, 70's

Lot of three Plia chairs, designed by Giancarlo Piretti. Unusual color turquoise blue. Dating back to the 1970s. A slight deformation on the back of a chair seat (without gravity), plexi slightly cracked at the level of a kneecap of a chair, more corrosion on the foot of a chair, scratches of use on the seats and backs. Small traces of corrosions on the other two chairs. Good general condition. Total height open: 75 cm. Seated height: 44 cm. Width: 46.5 cm. Depth: 47.5 cm. Height bent: 90 cm. Closed thickness: 5 cm.