A pair of copper-red glazed bowls. Qianlong seal marks and period. Photo: Christie's Images Ltd., 2010

the exterior applied with a deep raspberry-color glaze (2) - diameter 5 7/8 in., 14.9 cm. Est. 20,000—30,000 USD. Lot Sold 25,000 USD

A fine copper-red glazed bottle vase. Qing dynasty, 18th century. Photo: Christie's Images Ltd., 2010

the pear-shaped body rising to a long slender neck, supported on a slightly splayed foot, with a deep-red glaze applied to the exterior - height 12 1/4 in., 31.2 cm. Est. 8,000—10,000 USD. Lot Sold 8,125 USD

PROVENANCE: Imperial Oriental Art, New York, 2002.

A flambé-glazed bamboo neck bottle vase. Qing dynasty, 18th century. Photo: Christie's Images Ltd., 2010

the globular body and banded neck applied overall with a thick red glazed with splashes of flambé around the mouth and interior - height 16 in., 40.5 cm. Est. 5,000—7,000 USD. Lot Sold 6,250 USD

Sotheby's. Fine Chinese Ceramics & Works of Art. 23 Mar 2010. New York www.sothebys.com