Description: Standing on a small, slightly spreading foot, the gently rounded sides end in a slightly tapering neck. The rim is customarily unglazed. Furthermore, the body is decorated with raised broad, vertical ribs.
Style of: Song (12th / 13th century) or older, age determination uncertain
Height: 7 cm
Small rim restoration in gold lacquer
http://bonhams.com/auctions/20982/lot/1190/