A pair of copper red-glazed bowls, Qianlong six-character seal marks in underglaze blue and of the period (1736-1795). Estimate £4,000 – £6,000 ($6,096 - $9,144). Photo Christie's Image Ltd 2015

Each bowl is covered to the exterior with a soft copper red glaze which thins to white around the rims. One bowl has a faintly visible web of widely diffused crackles. 7¾ in. (19.7 cm.) diam., wood stands

Christie's. CHINESE CERAMICS, WORKS OF ART AND TEXTILES, 15 May 2015, London, South Kensington