17th/18th centurySuperbly carved to the interior with a high-relief seated figure of Zhang Qian holding a book in his right hand within the deep lotus-leaf shaped cup, the exterior carved in relief with two confronted winged luduan amidst musk mallow reaching over the rim and borne on gnarled branches, with two bamboo also forming the reticulated circular foot ring, the horn of dark amber-brown tone. 12cm (4 3/4in) wide