“He came over and showed me the vase and I said something a bit dismissive like ‘very pretty.’ ‘No, look at the base!’ he said, and showed me the etched marks,” Karen added. The couple ...

The "exceedingly rare" Chinese Clair-de-Lune Glazed ... which ultimately sold for $444,500. What makes the vase so special is the Yongzheng mark on its base. The six-character mark indicates ...