Lot 261. A 'Jizhou' bowl, Song dynasty (960-1127). 12.8 cm, 5 1/8  in. Estimate 4,000 — 6,000 GBP. Courtesy Sotheby's. 

the rounded sides rising from a short spreading foot to a straight rim, the interior with a dark brown glaze suffused with lighter flecks, the exterior with a similar glazed band at the rim below a lighter brown glaze stopping short of the foot.

Sotheby's. St George Street Sale: Chinese Art, London, 10 Nov 2017, 10:00 AM