Carlos Slim Wants $80M for Ridiculously Opulent Fifth Avenue Mansion Mexican billionaire Carlos Slim is selling the Duke Semans Mansion, one of the only private mansion on Fifth, asking $80M. By Kim Velsey
Duke-ing It Out: Brokers Settle Sapir-Slim Mansion Suit It wouldn’t have been the biggest real estate deal of the year without at least a little drama. When Tamir By Matt Chaban
Carlos Slim Buys Duke Semans Mansion for $44 M. After days of speculation about the buyer of the Duke-Semans mansion—rumors abounded that the new homeowner was a wealthy Russian—the By The Real Estate Desk