A melon-form ewer with similar inlaid decoration and black-glazed body sold in these rooms October 14, 1987, lot 132 with note citing varoius references for this rare ware: Gompertz, Korean Celadon, London, 1963, pl. 82b; Sunu Choi, 'National Museum of Korea, Seoul', Oriental Ceramics, The World's Great Collections, Tokyo, New York and San Francisco, 1976, pl. 146; Itoh, Masterpieces of Chinese and Korean Ceramics in the Ataka Collection, Koryo Dynasty, Tokyo, 1980, pls. 156, 283; Koyama Fujio et al, 'Korea-pre-Koryo and Koryo periods', Sekai toji zenshu, Vol. 13, Tokyo, 1961, pl. 135