NEW YORK, United States (AFP) — In what was billed as the “sale of the century,” the art collection of Peggy and David Rockefeller, comprising 1,500 pieces, sold at auction for a record-breaking $832.5 million, Christie’s said Friday. The figure eclipsed the previous record held by the collection of Yves Saint Laurent and Pierre Berge which sold for $484 million in 2009. Coming after the extraordinary $450 million sale last November of Leonardo da Vinci’s […]