A small crackle-glazed celadon porcelain cup of foliate form. Qianlong Mark and Period

Its deep, curving well molded into six shallow petals with conforming lobes to the flared rim, the celadon glaze marked with a dense web of black and russet-stained crackle, the unglazed foot pad covered with an iron wash and the glazed base centered with the four-character mark in underglaze blue seal script. 4 3/4in (11cm) diameter. Estimate: $4,000 - 6,000

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