{"title":"Vintage Harry Bertoia Furniture","description":"\u003cp\u003eHarry Bertoia was one of the great sculptor-designers of the 20th century. Working with Knoll in the early 1950s, he created an iconic family of wire furniture that bridges art and function. His \u003cstrong\u003eDiamond Chair (Model 420)\u003c\/strong\u003e, \u003cstrong\u003eBird Chair (Model 421)\u003c\/strong\u003e, and \u003cstrong\u003ewire side chairs (Model 420C)\u003c\/strong\u003e remain among the most collectible pieces from the mid-century modern era.\u003c\/p\u003e\n\u003cp\u003eEvery piece in this collection is an authentic vintage example produced during Bertoia's tenure with Knoll. Our authenticated examples show the hand-welded wire construction and original Knoll labeling that distinguish genuine vintage pieces from later reproductions. Read our complete \u003ca href=\"\/blogs\/news\/harry-bertoia-furniture-collectors-guide\"\u003eHarry Bertoia Furniture Collector's Guide\u003c\/a\u003e for authentication tips and model identification.\u003c\/p\u003e\n\u003cp\u003eBertoia's work is closely related to other Knoll designers. Explore our \u003ca href=\"\/collections\/vintage-warren-platner-furniture\"\u003eVintage Warren Platner Furniture\u003c\/a\u003e collection for similarly sculptural wire designs, or browse our \u003ca href=\"\/collections\/vintage-florence-knoll-furniture\"\u003eVintage Florence Knoll Furniture\u003c\/a\u003e for refined modernist seating and case goods. All pieces ship nationwide with white-glove delivery available.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the Bertoia Diamond Chair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Bertoia Diamond Chair (Model 420) is a sculptural lounge chair designed by Harry Bertoia for Knoll in 1952. It features a welded wire grid shell in a diamond shape, set on a four-legged wire base, typically with an upholstered seat cushion. It is one of the most iconic pieces of mid-century modern furniture design.\"}},{\"@type\":\"Question\",\"name\":\"What is the Bertoia Bird Chair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Bertoia Bird Chair (Model 421) is a lounge chair designed by Harry Bertoia for Knoll. It features a wide, enveloping wire shell resembling spread wings, set on a wire base. The Bird Chair is typically sold with a matching ottoman and is upholstered in fabric or leather seat cushions.\"}},{\"@type\":\"Question\",\"name\":\"How do I identify authentic vintage Harry Bertoia furniture?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Authentic vintage Bertoia pieces should have a Knoll label on the underside. The wire construction should be hand-welded, with consistent weld points and period-correct wire gauge. Look for original Knoll upholstery fabric and the specific model numbers (420, 421, 420C, 428) stamped or labeled on the piece.\"}},{\"@type\":\"Question\",\"name\":\"What model numbers are Bertoia wire chairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Harry Bertoia's wire chair family for Knoll includes: Model 420 (Diamond Chair), Model 420C (Side Chair without arms), Model 421 (Bird Chair with ottoman), and Model 428 (Barstool). Each model has specific dimensions and is available with various base options and upholstery configurations.\"}},{\"@type\":\"Question\",\"name\":\"Are Bertoia chairs still made today?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, Knoll continues to manufacture authorized reissues of Harry Bertoia's wire chairs today. However, vintage pieces from the 1950s through 1980s produced during Bertoia's lifetime are highly collectible. Original vintage examples can be identified by Knoll labels, production details, and the hand-welded wire construction typical of the period.\"}}]}\u003c\/script\u003e","products":[],"url":"https:\/\/modcitymad.com\/collections\/vintage-harry-bertoia-furniture.oembed","provider":"MOD CITY MADNESS","version":"1.0","type":"link"}