北宋 青白釉執壺及碗The ewer, 6 7/8 in. (17.5 cm). high
英國私人珍藏 執壺: 香港聯齋古玩店, 2000年8月23日 碗: Blitz Chinese Ceramics and Works of Art, 1999年6月21日購自倫敦國際瓷器展
The form of this ewer may be compared to the Qingbai ewer (20 cm. high), without its cover, in the Victoria and Albert Museum, C.112-1929, illustrated in Qingbai Ware: Chinese Porcelain of the Song and Yuan Dynasties, Ed. Stacey Pierson, London, 2002, p.122, no. 62, and also to the Qingbai ewer (16.5 cm. high) in the British Museum, 1973.7-26.342, also with no cover, illustrated in the same publication, p. 121, no. 61, where the author writes that the form is known from the Tang dynasty (618-907).