2 Plia Folding Chairs by Giancarlo Piretti for Anonima Castelli Set of 2 Plia Folding Chairs by Giancarlo Piretti designed in 1967. The structure colors is Steel - Chrome and the seat and backrest Polycarbonate Transparant. Signed, Overall very good vintage condition, some scratches on the seat and back normal for its age. (see pictures) This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution