A Chinese Yixing Zisha Robins egg glazed teapot, Qing Dynasty (1644-1912), 19th century, the compressed globular teapot of Yixing Zisha clay, covered in a strong red and turquoise robin's egg glaze, the inside of the lid with an impressed oval mark, and an impressed four character mark to the base., 7.5 cm high, 17 cm wide.