Moonflasks of this type from the Yongle period were made in various sizes from 26 cm. to 32.5 cm., and with slight variations in the painted decoration. The present vase is centred on each side with a roundel of inward-pointing petals, while other Yongle moonflasks are decorated with yinyang medallions.
Compare with vases of identical design to the present lot: an excavated flask from Dongmentou, Zhushan, included in the Chang Foundation exhibition Imperial Hongwu and Yongle Porcelain Excavated at Jingdezhen, Taiwan, 1996, illustrated in the Catalogue, no. 65; one in the Umezawa Kinenkan Museum, Tokyo, illustrated in Sekai Toji Zenshu, vol. 14, Japan, 1976, pl. 144, shown together with another moonflask with the yinyang symbol, from the Topkapi Saray Museum, Istanbul, pl. 145; one illustrated by Geng Baochang, Ming Qing Ciqi Jianding, Hong Kong, 1993, p. 21, fig. 30; a smaller example (26 cm.) from the Iran Bastan Museum, Teheran, illustrated in Oriental Ceramics, The World's Great Collections, Vol. 4, Kodansha Series, Tokyo, 1981, pl. 58; another in the Illustrated Catalogue of Ming Dynasty Porcelain in the National Palace Museum, pl. 44; and a taller flask from the Edward T. Chow Collection, sold at Sotheby's Hong Kong, 19 January 1981, lot 408.