Twelve paintings hidden in a private collection for roughly 50 years are heading to a New York auction valued near $450 million, including a $180 million Van Gogh and a $120 million Cézanne
A collection of twelve impressionist and post-impressionist artworks valued at almost half a billion dollars is going up for auction on November 18, 2026, after sitting unseen for decades in a fabled private collection in South America. The paintings come from a collection amassed by the late Argentine art collector Nelly Arrieta de Blaquier and…