Lot 2949. A finely carved Henan Denfeng bowl, Northern Song dynasty (960-1127); 8 ¼ in. (21 cm.) diam. Estimate HKD 200,000 - HKD 300,000. Price realised HKD 250,000. © Christie's Images Ltd 2018.

The bowl is potted with flaring walls leading to a lipped everted rim, all standing on a high foot. The interior and exterior are covered with an ivory slip which has been crisply and freely carved through to depict a central flower head surrounded by two large flowers and leaf sprays, box. 

Christie's. Important Chinese Ceramics and Works of Art, Hong Kong, 28 November 2018