A circular bronze mirror, Warring States Period. Estimate £2,000 - 3,000 (€2,700 - 4,100). Photo: Bonhams.

The mirror back cast with three stylised dragons in mutual pursuit on a lozenge and diaper ground, the central loop boss surrounded with channel. 18.8cm (4/8in) diam

Provenance: Collection of Henri Geene (d.1950) and thence by descent.

Note: For a comparable mirror cast with three lozenge-bodied dragons, Warring States 3rd century BC, see Ju-hsi Chou,Circles of Reflection: The Carter Collection of Chinese Bronze Mirrors, Cleveland Museum of Art 2000, no. 7, p. 28.

Bonhams. ASIAN ART, 11 May 2015 10:30 BST - LONDON, KNIGHTSBRIDGE