Go Inside the Mansion Carlos Slim Is Selling for $80 Million
Benjamin N. Duke House - Wikipedia
Photos: Gilded Age Mansion Owned by Carlos Slim on Sale for $80 Million
Benjamin N. Duke House - Wikipedia
Gilded Age Fifth Ave Mansion on Sale for $80 Million - Untapped New York
Gilded Age Mansions Fifth Avenue
Convert a NYC parking garage into your own mansion for $82M
Upper East Side townhouse in contract for $81M will be most expensive ever sold
Carlos Slim mansion, 'last remnant' of old New York luxury, goes on sale for $80M
Habitually Chic® » A Gilded Age Mansion at 1009 Fifth Avenue is for Sale
$18M Beaux-Arts mansion is an Upper West Side architectural icon with Dakota views