A fine carved rock-crystal vase and cover, China, 18th/19th century Very slightly chipped. H. 14,8 cm. Est. 900 € Nagel Auctions. Asian Art. 8th May 2009. www.auction.de

A gem-set rock-crystal archer's ring, India, 19th century of typical form, overlaid with gold wire and set with spinels with a central floral rosette surrounded by scrolling tendrils issuing buds. 3.5cm. Estimate 3,000—5,000 GBP Sotheby's. Arts of the...