A pair of red Peking glass bowls with carved decoration, Qianlong marks, Late Qing-Republic period. Photo Bonhams.

Each formed with a wide, flared rim and deep curving well raised on a tall foot, the exterior walls carved in shallow relief with birds perched on flowering branches in cloud-collar reserves surrounded by a lightly engraved diamond-diaper ground, the shallow recessed base bearing the four-character mark engraved in seal script. 6 3/4in (17cm) diameter. Estimate US$ 2,500 - 4,000 (€1,800 - 2,900)

Bonhams. FINE CHINESE WORKS OF ART. San Francisco. 17 Dec 2013 -www.bonhams.com