The story about the mystery mantle apparrently generated so much interest that a plan to move last weekend was canceled.It turns out that once the piece hit the Internet, people from as far away from San Francisco called Marti Deputy to make a bid on it.I was feeling bad about the story on Friday morning after Don Bruce, of 1-800-GOT-JUNK called me to point out that it was his driver who first recognized the piece's value.Driver Paul Chaffin first spotted the piece for what it was and appealed for more time to move it out of the Deputy's former home."Our …