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Duke Semans Mansion

Carlos Slim asking $80 million for Duke-Semans Mansion
New York
May 6, 2015

Carlos Slim asking $80 million for Duke-Semans Mansion

Mexican billionaire acquired 1009 Fifth Avenue for $44M in 2010
Upper East Side manse goes for $47M-plus
New York
Apr 26, 2011

Upper East Side manse goes for $47M-plus

A return to residential market stability, particularly among high-end listings
New York
Mar 15, 2011

A return to residential market stability, particularly among high-end listings