A pair of copper-red-glazed dishes, Qianlong six-character seal marks in underglaze blue and of the period (1736-1795). Estimate $12,000 – $18,000. Photo Christie's Image Ltd 2015

Each dish has shallow, rounded sides and is covered inside and out with an even glaze of liver-red tone. 6 ½ in. (16.5 cm.) diam.

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