Lot 1. A bronze 'dragon' mirror, Warring States period. Estimate 2,000-3,000 USD. Lot sold 5,250 USD. Photo Sotheby's 

thinly cast with a plain, high-ridged rim, the grooved central loop enclosed by a circular concave band, between threads of twisted rope pattern, comprising four interlaced dragons, each overlapping the nearest scroll of its neighbor, smooth black and silvery gray patina, Japanese wood box (4). Diameter 5 3/8  in., 13.6 cm. 

PROVENANCE: Mayuyama & Co., Ltd, Tokyo, acquired between 1960-1969.

Sotheby's. Fine Chinese Ceramics & Works of Art. New York | 19 mars 2013