Lot 617. A russet-splashed 'partridge feather' bowl, Northern Song-Jin Dynasty. Estimate 20,000 — 30,000 USD. Photo: Sotheby's.

of conical form, the flaring sides rising from a slightly splayed foot to an everted rim, covered overall with a lustrous black glaze, thinning at the rim with radiating russet splashes extending downwards, the glaze stopping above the foot to reveal the pale gray stoneware body. Diameter 5 1/8  in., 13.1 cm

Sotheby's. Important Chinese Art, New York, 14 Mar 2017, 10:30 AM