A rhinoceros horn libation cup. 17th-18th Century

Of oval section with a shallow well formed as a lotus leaf emerging from smaller lotus blossoms, buds and other leaves with deeply undercut stems that form the cup base and rise to one side, tied with a ribbon. 5 1/2in (14cm) long - Estimate: $5,000 - 7,000

Bonhams. Fine Asian Works of Art, 29 Jun 2009. 220 San Bruno Avenue, San Francisco www.bonhams.com