When did the blue and white tadpole cloud appear in Ming Dynasty?

Blue and white tadpole cloud appeared in Hongwu period of Ming Dynasty. The original moire patterns of blue-and-white porcelain changed during the Yuan to Ming and Hongwu periods, such as the head became bigger and more complicated, and the tail became shorter and thicker. Because it looks like a tadpole, it is called Ruyi Tadpole Cloud. Until later, Yongle, Xuande, Chenghua, Zhengde, Jiajing and Wanli all had such characteristics, but they also gradually changed. The later the age, the shorter and thicker the tail, and the dirtier the head.