Lot 637. A Qingbai ewer, Southern Song dynasty (1127–1279). Estimate  6,000 — 8,000  USD. Photo: Sotheby's.

of globular form rising to a short cylindrical neck with two raised bands, a short tapered spout opposite the upright handle, decorated overall with incised swirling lines applied with a three-tooth comb, a band of incised angled lines around the neck, covered with a sea-green glaze save for the biscuit base fired to a warm tan color, Japanese wood box (2). Diameter 5 7/8  in., 14.9 cm

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