12 paintings hidden for 50 years head to auction for $450M, including a $180M Van Gogh and $120M Cézanne

An exceptional auction is on the horizon for November 18, 2026, showcasing a collection of twelve remarkable impressionist and post-impressionist pieces, valued at almost $500 million. Highlighted artworks include Vincent van Gogh’s 'Châtaigniers en fleurs' and Paul Cézanne’s 'Arlequin,' which have not been publicly available for decades. Sotheby's is optimistic about attracting a global congregation of elite buyers, promising a historic event in the world of art sales.