A silvery bronze circular mirror, Eastern Han dynasty (AD 25-220). Estimate $6,000 – $8,000. Photo Christie's Image Ltd 2015

The central knob is in the center of a confronted dragon and tiger above the small figures of two birds and a ram, all encircled by an inscription and a hatchured border below sawtooth bands on the raised rim. The patina on both sides is silvery and there is ferrous and malachite encrustation. 5 in. (12.7 cm.) diam., Japanese wood box; 506 g

Provenance: Acquired in Tokyo, 1985.

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