A bronze circular mirror, Three Kingdoms period (AD 220-265). Estimate $5,000 – $7,000. Photo Christie's Image Ltd 2015

The central knob is surrounded by divinities and beasts within a band of half circles alternating with squares cast with characters, all encircled by a narrow hatchured border, a narrow inscription band and a band of clouds on the rim. The mirror has a blackish patina and some areas of milky green encrustation. 6 ½ in. (16.5 cm.) diam., Japanese wood box; 307 g

Provenance: Acquired in Tokyo, 1985.

Christie's  FINE CHINESE CERAMICS AND WORKS OF ART, 17 - 18 September 2015, New York, Rockefeller Plaza