An amethyst quartz brush washer, 18th-19th century. Photo: Christie's Images Ltd 2012

Thick-walled and of oval section, carved in high relief around the sides with four chilong climbing up towards the rim encircled by a key-fret border, the tails of two chilongforming the base: 3¾ in. (9.5 cm.) long. Estimate $20,000 - $30,000

清十八/十九世紀 紫水晶雕螭龍紋洗

Provenance: Sebastian Pearson, London, 1989. 

Christie's. Auspicious Treasures for Scholars and Emperors: Selections from the Robert H. Blumenfield Collection , 22 March 2012, New York, Rockefeller Plaza