A large blue and white porcelain jar (guan) with associated cover. Ming Dynasty, Circa 1500

Thickly potted and painted with cloud clusters to the waisted neck, a band of lotus-filled lappets at the shoulder and babao combined with leafy scrolls around the lower body, the slightly recessed base unglazed, the associated cover also displaying the lotus-filled lappet band rendered in darker cobalt pigment. 15in (38cm) height overall - Estimate: $2,500 - 4,000


A Longquan celadon jar (guan) and associated cover. Ming Dynasty

The thickly potted jar incised with a narrow leaf-scroll band at the shoulder, a wider band of peony branches in raised relief against a combed ground and a vertical petal above the thick foot; the associated cover of low, domical form with raised ribs and a foliate rim imitating a lotus leaf. 14 7/8in (35cm) overall height - Estimate: $2,000 - 3,000


A celadon glazed stoneware bulb bowl. Ming Dynasty

Of Zhejiang type, the compressed globular form molded in high relief with eight trigrams to its exterior walls and raised on three curving feet, the blue-green glaze unevenly applied, leaving an unglazed patch to the floor of the well and the raised ring across the base. 10in (25cm) diameter. Estimate: $1,000 - 1,500


A 'Swatow' polychrome enameled porcelain dish. Late Ming Dynasty

The floor of its shallow curving well painted in red, turquise and black enamels with a dissolved landscape view surrounded by rectangular seals alternating with quadrifoil reserves against the celadon glaze layer diaplsying extensive craze lines. 15 1/4in (39cm) diameter - Estimate: $800 - 1,200

Bonhams. Asian Decorative Arts, 28 Jul 2009. 220 San Bruno Avenue, San Francisco www.bonhams.com