As the rarest pieces came up, Chinese bidders went berserk. This Magnolia-form, rhinoceros horn libation cup, dated between the 17th and 18th century, sold for $34,600. (photo Christie's Images Ltd)

A pair of rhinoceros horns carved with intricate openwork motifs, leaving the tops to serve as libation cups, soared to $229,000. This is an astonishing figure for 19th century pieces. (photo Christie's Images Ltd) - (source www.ith.com)