A rhinoceros horn libation cup, 18th-19th century. Photo Christie's Image Ltd, 2011

The deep flaring sides carved and pierced to the exterior with two gnarled branches of pine trees forming the handle, with figures and pavilions amongst rockwork, pine tree and bamboo around the side, the cup of a brown amber tone; 5 3/8 in. (13.5 cm.) wide. Estimate £25,000 - £35,000. Price Realized £91,250

Christie's. Chinese Ceramics, Works of Art and Textiles, 11 November 2011. London, South Kensington www.christies.com