A painting by Jean-Michel Basquiat sold for $110.5 million at Sotheby's on Thursday, becoming the sixth-most-expensive work ever sold at auction. The dramatic 1982 work depicts a skull. Only 10 other works have sold for more than $100 million. The winning buyer was Yusaku Maezawa, a Japanese billionaire, who purchased another Basquiat last year for $57.3 million. “He’s now in the same league as Francis Bacon and Pablo Picasso,” said the dealer Jeffrey Deitch, an expert on Basquiat.