A carved rhinoceros horn libation cup, the central decoration composed by a large horizontal band with 'taotie' masks on a 'leiwen' ground, the exterior and the handle with chilongs coiling towards the inner rim, the horn of a walnut tone with warm caramel variations (defects) China, Qing dynasty, Kangxi period (1662-1722) (l. max 18 cm.) * Export license is available for this lot