Eight iron-red ''dragon' wine cupw. Daoguang Seal Marks And Period. Photo Sotheby's

each finely potted with steep sides and everted rim, painted with two striding five-clawed dragons amid clouds above foaming waves, all between underglaze blue double-line borders at the rim and foot, seal mark in underglaze blue, fitted wood box (9). Height 1 7/8 in., 4.8 cm. Estimation: 30,000 - 40,000 USD - Lot. Vendu 62,500 USD

PROVENANCE: Collection of Austin Tydings, donated to the Rowland Park County School in 1986.

Sotheby's. Fine Chinese Ceramics & Works of Art, New York | 11 sept. 2012, www.sothebys.com