Mexican businessman Carlos Slim put his mansion on New York's Upper East Side up for sale for US$80 million.
The mansion, known as the Benjamin N. Duke House, has 25 rooms, eight bedrooms and 10 bathrooms, according to the StreetEasy portal.
It was built between 1899 and 1901 by the Welch, Smith & Provot firm inspired by Renaissance palaces with Beaux Arts style details.
“It is a rare opportunity . . .