DescriptionExquisite Guan Yao Glaze Bowl Marked on bottom. Fantastic gray \blue /Greenish crackle Song Dynasty 5" X 2 1/2" A Chinese Guan Yao . A fine footed crackle glaze ceramic bowl. It bears mark that reads a Song or Ming mark . Overall excellent condition. From a Song or Ming dynasty wares. Wonderful ge, geyao, Museum Quality .