Works by artists including Cezanne, Seurat, and van Gogh sold for a record-breaking $1.5 billion during the first part of Christie's two-day auction of the late Microsoft co-founder Paul G. Allen's masterpiece-heavy collection.

All 60 of the artworks put up for auction Wednesday night in New York sold, and five paintings sold for prices above $100 million.

Georges Seurat’s pointillist “Les Poseuses, Ensemble (Petite version)” sold for $149.2 million, the evening’s highest price. The larger version of “Les Poseuses” is at the Barnes Collection in Philadelphia.

Christie’s experts said that pointillism, a revolutionary technique when it was developed by Seurat and Paul Signac involving dots of color that combine to form an image, was of particular interest to Allen because of his computer background.

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