An Imperial Chinese blue and white porcelain stem cup with a 6-character Daoguang mark and of the period. The stem cup features Sanskrit characters among lotus tracery. Dimensions are: 5 3/8 inches tall X 5 3/4 inches wide, 13.7 cm tall X 14.6 cm wide. All measurements are approximate. High resolution images can be found here Condition: It is in good condition with a glaze defect to the interior. Provenance: From the Collection of Mary and Lou Silver, Indian Wells, California. Reference: Similar Imperial blue and white stem cups from the Daoguang period have been sold at Christie's Hong Kong on November 30, 2010, as lot 3215 and at Sotheby's New York on September 11, 2012, as lot 7. 參見佳士得香港2010年11月30日售青花梵文纏枝蓮紋高足盃，拍品號3215。另參考蘇富比紐約2012年9月11日拍賣，拍品號7。