An art trove of the late billionaire couple Joan and Preston Robert Tisch may fetch more than $80 million at Christie’s, the latest big-name collection the auction house secured for its high ...

Artworks by Pablo Picasso, Mark Rothko and Andy Warhol and other modern masters are going up for auction as part of a billionaire couple’s acrimonious divorce.

Linda Macklowe's art expert, Christopher Gaillard, said the New York collection - which includes works by Andy Warhol, Pablo Picasso and Mark Rothko - is worth about $625million.