![Mexican billionaire Carlos Slim is selling historic Fifth Avenue mansion for $80m | Daily Mail Online Mexican billionaire Carlos Slim is selling historic Fifth Avenue mansion for $80m | Daily Mail Online](https://i.dailymail.co.uk/i/pix/scaled/2015/05/07/01/28635DE900000578-0-image-a-40_1430957137407.jpg)
Mexican billionaire Carlos Slim is selling historic Fifth Avenue mansion for $80m | Daily Mail Online
![Benjamin N. and Sarah Duke House (Historical), Entrance - 1009 Fifth Avenue, NYC - September 2010 . . . Built in 1901, this Beaux Arts townhouse was originally occupied by Benjamin N. Benjamin N. and Sarah Duke House (Historical), Entrance - 1009 Fifth Avenue, NYC - September 2010 . . . Built in 1901, this Beaux Arts townhouse was originally occupied by Benjamin N.](https://mapio.net/images-p/40972807.jpg)
Benjamin N. and Sarah Duke House (Historical), Entrance - 1009 Fifth Avenue, NYC - September 2010 . . . Built in 1901, this Beaux Arts townhouse was originally occupied by Benjamin N.
![Mexican billionaire Carlos Slim is selling historic Fifth Avenue mansion for $80m | Daily Mail Online Mexican billionaire Carlos Slim is selling historic Fifth Avenue mansion for $80m | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/05/07/00/2863191600000578-0-image-a-23_1430956207865.jpg)