A pair of incised yellow-glazed bowls. Qianlong seal marks and period. Photo Sotheby's

each with rounded sides rising from a short straight foot, the exterior incised with four flower head medallions alternating with stylised cloud wisps above a band of lotus lappets, encircled at the rim and foot with double line borders, the interior decorated with a flower head medallion within a double circle, covered overall in a rich yellow glaze, the base left white and inscribed with a six-character Qianlong seal mark  Quantity: 2 - 12cm., 4 3/4 in. Estimate 20,000-30,000 GBP

Sotheby's. Fine Chinese Ceramics and Works of Art. London | 09 Nov 2011 www.sothebys.com