An Imperial Chinese doucai bowl with a 6-character Daoguang mark and of the period. The exterior of the bowl depicts 6 segments of flower and vine tracery. The interior depicts a flower roundel with an elaborate border. Dimensions: 2 1/2 inches tall X 6 inches wide; 6.4 cm tall X 15.2 cm wide. All measurements are approximate. Condition: It is in good condition. Provenance: From an estate in the Washington, DC area. The family lived in Shanghai, China during the 1930s and 1940s while working for the Standard Oil Company. They left China in 1949. 來源：來自華盛頓特區私人收藏。 藏家父辈在1930至1940年为美孚石油公司工作，曾居住於中國上海，他們於1949年離開中國，所藏都是在此期间购于中国。本公司2017年9月17日拍賣152-167號拍品均來自於同一藏家。 Reference: Similar examples of Daoguang doucai bowls have been sold at Bonhams London on November 10, 2011 as lot 101, Christie's Hong Kong on June 1, 2011 as lot 336, Christie's Hong Kong on April 5, 2016 as lot 106, and Sotheby's London on November 5, 2008 as lot 209. Click here for high resolution images