BERTOIA Chair, Model 420, based on a 1940s design by Harry Bertoia for Knoll. Wire mesh frame with a new yellow felt seat cushion. Quality features: Excellent craftsmanship High-quality materials Made in the USA. Design: Harry Bertoia, Manufacturer: Knoll Good condition with slight signs of wear. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution