Sarah P. Hanson
Out with the old in with the new, with a side of Bacon, at Phillips and Christie's $528.8m auction night
New record for Joan Mitchell as fresh artists join the $10m-and-up club—but Bacon and Basquiat still dominate top prices in New York
Christie's to sell Leonardo da Vinci's Salvator Mundi
The painting, presumed lost until 2005, is estimated at $100m