Lot 102. A Yaozhou celadon conical bowl, Northern Song-Jin dynasty, 12th-13th century; 73⁄4 in. (19.7 cm.) diam. Estimate: USD 2,400 - USD 3,500. Price Realised: USD 2,750. © Christie's Images Ltd 2019

The deep, slightly rounded conical sides that rise to a slightly flared lipped rim are applied on the interior with five slender ribs of slip that define five petals, and the bowl is covered inside and out with an olive-green glaze that thins over the ribs.

Christie's. The Art of China: Winter Edition, 28 November - 5 December 2019