Lot 230. A large black-glazed stoneware jar, Song dynasty (960-1279). Height 11 1/2  in., 29.2 cm. Estimate 30,000 — 50,000 USD. Sold Price: 37,500 USD. © Sotheby's 2018.

well potted, the rounded body tapering to a knife-pared foot ring and rising to short straight rim, covered overall with a finely mottled deep brown-black glaze suffused with minute gold-toned flecks, stopping neatly at the foot and just below the mouth rim revealing the buff-colored ware, the interior applied with a thin semi-translucent dark brown glaze.

Sotheby's. Important Chinese Art, New York, 12 sept. 2018, 10:30 AM