A Doucai Porcelain Dish daoguang period (1821-1850) of rounded form with shallow sloping walls, the central interor decorated with a medallion showing flying bats between peach branches and rushing waves, the exterior bats alternating with flora sprays, the underside bearing a Daoguang six-character mark in underglaze blue. Diameter 4 3/4 inches. Estimate $3,000-5,000 Property from a Prominent Washington D.C. Collection