A Vietnamese cobalt glazed pottery trade jar, 19th Century © 2002-2009 Bonhams 1793 Ltd

Of baluster form with dragon-headed loops to the shoulder and a continuous frieze of dragons, flaming pearls and auspicious cranes molded in shallow raised relief, the slightly concave base left unglazed (repaired).23 1/4in (59cm) high - Estimate: $600 - 800

A group of four molded parrot bowls with enamel decoration. Late 15th/Early 16th Century © 2002-2009 Bonhams 1793 Ltd

Each molded as a shallow peach-form bowl with its leafy branch held in the beak of a parrot with its body curling around the right side, the foliate design with traces of the original green and red enamels. 3 1/2in (9cm) average length - Estimate: $250 - 500

A group of six blue and white jars. Vietnam, Late 15th/Early 16th Century © 2002-2009 Bonhams 1793 Ltd

Each of globular shape with a wide mouth, one decorated with birds amid leafy bamboo framed by scrolling foliate and lappet bands, the remainder with a central band of stylized blossoms amid leafy tendrils below a diaper-patterned band, one with a lid decorated en suite. [7] 3 ½ (9cm) average diameter - Estimate: $200 - 300

A selection of twenty-three blue and white bottles and jars. Vietnam, Late 15th/Early 16th Century © 2002-2009 Bonhams 1793 Ltd

Including ten miniature pear-shaped bottles decorated with conjoined petals; nine lobed jarlets painted with bands of stylized jewels, some with lappets at the base; and four ovoid jars with a central foliate band and stylized petals encircling the cylindrical neck. 3 1/2in (8.8cm) height of largest - Estimate: $200 - 300

Twelve underglaze blue and enameled small boxes. Vietnam, Late 15th/Early 16th Century © 2002-2009 Bonhams 1793 Ltd

The cover of each box painted with a cursory landscape and the surfaces showing remains of red and green enamel decoration (glazes degraded, chips, staining).2 1/2in (6.5cm) average diameter - Estimate: $120 - 200

Bonhams & Butterfields. Asian Decorative Arts, 16 Nov 2009. 220 San Bruno Avenue, San Francisco www.bonhams.com