(laughs) APPRAISER: Well, this is a Chinese porcelain bowl, and what captured my eye was, first of all, the brilliant copper-red glaze and ... that there's a reign mark on the underside.

For more than 1,000 years, Chinese ... 500 years, porcelain objects had become so coveted that Emperor Zhenzong decreed all such pieces made during his reign would carry his mark, so as to ...