A rare bronze circular  'dragon' mirror. Warring States Period (475-221 BC). Photo: Christie's Images Ltd 2012

The back with a large domed knob finely cast with tight bird scrolls, the surrounding field finely cast in crisp relief with a dense design of four pattern-filled dragons shown in profile with body curved around so that the head faces the hindquarters, all separated by small coiled bird scrolls and reserved on a patterned ground, with plain outer border: 7 11/16 in. (19.5 cm.) diam., 1/16 in. (.2 cm.) thick, box  727.5g - Estimate $12,000 - $18,000

戰國 龍鳥紋銅鏡

Provenance: A.W. Bahr (1877-1959).

Robert H. Ellsworth Collection, New York, acquired from Edna Bahr, Connecticut, 1960s. 

 Christie's.Luminous Perfection: Fine Chinese Mirrors from the Robert H. Ellsworth Collection, 22 March 2012, New York, Rockefeller Plaza