Dimensions: Height: 29cm, Width: 14cm Chinese Qing Dynasty Period, Blue Cong bottle. The porcelain potted in Cong is a kind of cylindrical jade round inside and square outside, consisting of a circular tube shape with protruding square corners. Its square and circular shape could be interpreted as the unity of heaven and earth where the square represents the earth and a circle represents heaven. Warm and uniform dark blue glaze applied to the whole body. The body is exquisite and closely combined with the glaze which is as bright as glass, makes the ware very beautiful. The Under-base bears a reign mark, a six script characters reign mark, Made In The Years Guangxu Reign Period of The Great Qing Dynasty.