A Junyao dish, Song-Jin dynasty, 11th-12th century. Estimate $4,000 – $6,000. Photo Christie's Image Ltd 2015

The shallow dish has widely flared sides that round up to the rim, and is covered inside and out with a crackled glaze of pale blue color that thins to mushroom on the rim and falls in an irregular line on the knife-cut foot. 6 ¼ in. (16 cm.) diam., box

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