. The kiln is one of the five famous kilns in the Song Dynasty. Enamel is the king of porcelain, known for its unique kiln-change art. Generations have been highly regarded by the royal family and people. This kiln sky blue glazed drum nail wash, the production of Zhou Zheng, exquisite craft, glazed thick solid, glazed color pure, glazed layer uniform. The lamp grass and drum nail kiln sits in place, and the overall glaze is all-round. Appreciation, the scene blend, give people a kind of beauty to enjoy. It shows the profound historical culture of the Song Dynasty and the skill level of the artisans. Its natural, after more than 1000 years of war, well-preserved, it is not easy, is a rare precious Song Dynasty art treasures. High 9.2cmx diameter 25cm. (Bottom mark 3)Origin: From a senior Collector in the United States.