Click on the photo to go to a slideshow of the estate. (Photo via Sotheby's International Realty)Here's one of the more unusual home sale restrictions we've come across -- and we aren't referring to the estate's whopping $100 million price tag, although that does indeed put the home among the top five or so most expensive properties in the nation. (The most expensive is the Crespi-Hicks estate, in Dallas of all places, offered at $135 million.)
$100 million De Guigné estate comes with quite a contingency
