Vase, Qing dynasty (1644?1911), late 18th?first half of the 19th century, China, Porcelain with biscuit and incised decoration against a blue ground, H. 15 in. (38.1 cm); W. 7 1/2 in. (19.1 cm); Diam. of rim: 2 3/8 in. (6 cm); Diam. of foot: 4 7/8 in