Set of Four Plia Folding Chairs by Giancarlo Piretti for Castelli, Italy, 1967

Iconic set of four Plia folding chairs designed by Giancarlo Piretti for Castelli, Italy. Widely regarded as a masterpiece of Italian design, the Plia chair combines a chrome-plated steel frame with a transparent smoked acrylic seat and backrest, creating an elegant sense of lightness while maintaining exceptional practicality. Introduced in 1967, the innovative three-disc folding mechanism became a landmark achievement in modern furniture design and earned the chair international recognition, including inclusion in several important museum collections. These chairs perfectly embody the sophisticated aesthetics of Italian modernism, offering both sculptural appeal and everyday functionality. Ideal for dining areas, offices or design-focused interiors, this matching set remains highly sought after by collectors and enthusiasts of twentieth-century design. Presented in very good vintage condition with age-appropriate wear consistent with use.