Lot Essay
A very similar Northern Song vase excavated in 1998 at Huangpu, Tochuan city, Shaanxi province, is illustrated by Zhang (ed.) in Zhongguo chutu ciqi quanji (Complete Collection of Ceramic Art Unearthed in China), vol. 15, Shaanxi, Beijing, 2008, p. 130, no. 130, where it is noted that although the vase was discovered at the Yaozhou kiln site, it is not Yaozhou ware.