Zisha (“purple clay”) Teapot from the Yixing Kiln, Designed by Chen Hongshou with the Inscription “Yan Nian” (“prolonging of life”), Qing dynasty (1644-1911). Height (with lid) 8.8 cm, Length of mouth 7.5 cm, Width of mouth 12.3 cm. Shanghai Museum, Gift of Gong Lizeng, Gong Liquan, Gong Lihua, Gong Lichen, and Gong Lijing, 1964.