Walking Tour: Legendary Collection Art Auction Preview at Sotheby's

A dozen impressionist and post-impressionist artworks collectively valued at almost half a billion dollars are going up for auction at Sotheby's after sitting unseen for decades in a fabled private collection in South America. This private tour looks at these works up close, which include Van Gogh and Cezanne paintings, and tells their extraordinary story along with an historical examination of other masterpieces from the concurrent modern art sale.