Inside Charleston's most expensive mansion for sale

Posted from: https://www.cnbc.com/video/2018/07/06/inside-charleston-most-expensive-mansion-for-sale-south-carolina-real-estate-mansion-sword-gate-house-price-tag-asking-price-housing-market.html

CNBC's Robert Frank takes us inside the $16 million Sword Gate House, the most expensive and oldest mansion in Charleston, South Carolina, built in the 1800s….