Lot 135. A small 'Jian' black-glazed bowl, Song Dynasty (960-1279). Estimate 3,000 — 5,000 USD. Photo: Sotheby's

the deep rounded sides supported on a short straight foot, covered overall with a lustrous black glaze, thinning at the rim with some russet streaks extending downwards, the glaze stopping irregularly above the foot to reveal the reddish-brown stoneware body. Diameter 3 7/8  in., 9.9 cm

Sotheby's. Important Chinese Art, New York, 13 sept. 2016, 10:30 AM