(Bloomberg) - Bottles of Petrus, a Qing dynasty vase and a Burmese ruby-and-diamond ring will test if Chinese demand for luxury items has been stymied by tumbling property prices, slower economic growth and a clampdown on art importers. Christie’s International estimates its Hong Kong sale of wine, contemporary art, traditional Chinese paintings, watches, jewelry and antiques over the next six days will raise as much as HK$2 billion ($260 million).