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Brook S. Mason

Brook S. Mason

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Inside the Most Valuable Single-Owner Design Sale in Sotheby’s History

Jean and Terry de Gunzburg spent four decades assembling one of the most extraordinary private collections of design and art ever to come to auction.

14.04.2026 8

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Brook S. Mason

At Christie’s, Irene Roosevelt Aitken’s Collection Tests the Market for Old-World Opulence

The dissolution of the prominent philanthropist's collection will reveal whether the haute billionaire appetite for such ornate fare still holds...

06.02.2026 3

Observer

Brook S. Mason