Compare the similar dish of slightly smaller size (15 1/8 in.) illustrated by J. Ayers, Chinese Ceramics: The Koger Collection, London, 1985, p. 71, no. 48, which is dated early 15th century, and is described as being covered with a "thick, almost colorless glaze." Seven similar plain white-glazed dishes ranging in size from 31 to 38 cm. diameter, and dated early 15th century, are in the Topkapi Saray, and one is illustrated by R. Krahl and J. Ayers in Chinese Ceramics in the Topkapi Saray Museum Istanbul, vol. II, London, 1986, p. 522, no. 625, where the glaze is described as "thick milky white." See, also, the similar dish of smaller size (34.2 cm.), dated Yongle period, illustrated by J. Harrison-Hall in Catalogue of Late Yuan and Ming Ceramics in the British Museum, London, 2001, p. 103, no. 3:8.