Lot 606. A small 'Ding' white-glazed box and cover, Northern Song-Jin Dynasty. Estimate 5,000 — 7,000 USD. Photo: Sotheby's.

of circular form with a gently domed top and a short tapered foot, incised to the straight sides with two lines, repeated at the underside, covered overall with a smooth transparent glaze, save for the foot ring left unglazed to reveal the white body (2). Diameter 3 1/8  in., 7.8 cm