Two tea bowls Tea bowl with a 'patridge-feather' glaze; Stoneware tea bowl with a straight; spreading wall; partially covered with a red-brown glaze with dark spots (patridge-feather). The lower part of the bowl is unglazed. Henan (Cizhou).; anonymous; China; c. 960 - c. 1279; Song-dynasty (960-1279); stoneware; glaze; vitrification; h 4.8 cm x d 15.5 cm