A buncheong-decorated celadon maebyong. Joseon Dynasty, 15th Century

Of inverted pear form with a short, spreading neck and spreading foot, inlaid in white and black slip with horizontal bands of overlapping lotus petals, leaf scrolls, flower petals accented with stamens and descending leaf bands, all visible beneath a pale olive green glaze, the wide foot pad and recessed base left unglazed. 9 1/2in (24cm) high. Estimate: $3,000 - 5,000

Bonhams. Fine Asian Works of Art, 29 Jun 2009. 220 San Bruno Avenue, San Francisco www.bonhams.com