Imagine finding a super-valuable painting in your attic or at a flea market. While the most expensive paintings ever sold tend to be famous pieces everyone watches, some of them were rediscovered ...

The painting is by Italian artist Amedeo Modigliani, titled "Nu couché (sur le côté gauche)." The sale breaks the top 15 most expensive paintings ever sold via auction or private sale.

The proceeds from the sale will be donated to charities supported by Allen before his death in 2018. The most expensive piece of art bought was Seurat's 1888 work Les Poseuses, Ensemble (small ...