Claude Lalanne's Mirror Ensemble shatters record, achieving $33.5M at Sotheby's

In April and May 2026, Sotheby’s will present a landmark selection from the Collection of Jean & Terry de Gunzburg, an offering of approximately 117 works with a combined estimate of $65–96 million, led by Collection of Jean & Terry de Gunzburg – Design Masters, a dedicated single-owner auction on 22 April 2026 estimated in the region of $28.5–42.5 million. Comprising 107 works that together embody a truly once-in-a-generation moment for the design market, the sale represents the most valuable single-owner design sale in Sotheby’s history, and the first standalone single-owner design sale to be staged at Sotheby’s new home at the historic Breuer building. For more than four decades, Jean and Terry de Gunzburg have assembled one of the most seminal and dynamic private collections of 20th century art and design, the result of a shared endeavor guided by instinct, curiosity, and a profound sensitivity to form. Shaped largely within their New York home—wh