A rhinoceros horn libation cup, 17th-18th century. Estimate US$ 20,000 - 30,000 (€18,000 - 27,000). Photo Bonhams

Finely carved and undercut with a scholar seated in a grotto under a lofty pine near a waterfall, with another pine forming the handle of the cup, the interior carved with further rocky outcroppings, the horn a rich honey brown color. 3 3/4in (9.6cm) high - 5 1/2in (14cm) long

This object has been in the United States since 1930.

Bonhams. FINE CHINESE WORKS OF ART AND PAINTINGS, 23 Jun 2015 10:00 PDT - SAN FRANCISCO