Lot Essay
The decoration on this vase is first painted on the body with underglaze blue then covered with a thin layer of cobalt blue glaze. Compare a guanyinzun vase decorated in the same technique and also bearing a Chenghua mark in the Shanghai Museum, illustrated in Kangxi Porcelain Ware from the Shanghai Museum Collection, Hong Kong, 1998, no. 63, pp. 96-97.