A jade prunus brush washer, 17th-18th century. Photo Bonhams.

Delicately carved as an open prunus flower-head, supported by a reticulated meander of tendrils and leaves, the semi-translucent stone of a pale green tone with mottled and streaked white inclusions. 9.5cm (3¾in) wide. Estimate £3,000 - 4,000 (€3,600 - 4,800)

Bonhams. ASIAN ART. 19 Feb 2014. London, Knightsbridge - www.bonhams.com