Bamboo Brush Pot with a Depiction of Pavilions in a Landscape Using the Liuqing (“preserving the green bamboo skin”) Technique, by Zhang Xihuang, Qing dynasty (1644-1911). Height 10.3 cm, Diameter of mouth 5.9 cm, Diameter of base 5.8 cm. Gift of Chen Qicheng, 1980. © Shanghai Museum