Lot 3763. A large rhinoceros horn 'grape vine' libation cup, Qing dynasty, late 17th-18th century; 6 1/2 in. (16.7 cm.) long. Estimate HK$900,000 - HK$1,200,000. Price Realized HK$3,620,000 . © Christie's Images Ltd. 2011 Of leaf form, carved in high...