The Plia folding chair is a striking example of Italian minimalism of the middle of the last century & was designed by the designer Giancarlo Piretti for the famous furniture manufacturer Anonima Castelli in the 1960s. The chairs are in very good condition, with traces of use & age visible in the photographs. Set Of 4 Plia Folding Chairs By Giancarlo Piretti For Castelli Italy 1960S Italian Modern Design Desk Chair Diner Chair