The first part of a London auction of a museum-worthy private art collection raked in $392.6 million Wednesday, powered by an Amedeo Modigliani nude portrait that set a new European record. Meanwhile, a painting of a nude woman by a grandson of Sigmund Freud fetched nearly $39 million. Forty-eight works by artists including Picasso, Magritte and Klimt, amassed by Joe Lewis, the ex-owner of Tottenham Hotspur Football Club, were auctioned on Wednesday and Thursday. Lewis, 89, transferred his