There are two opinions about capital letters of hairpins.
1, the regular script invented by Xia Shushen,
Xia Shushen, whose real name is Jinhua, is from Puyuan, Jiaxing, Zhejiang. Mr. Feng's title is very cool and he likes inscriptions. His calligraphy in Jin and Tang dynasties was copied, and seal cutting was almost the same as that in Qin and Han dynasties.
Taste the genealogy of banknotes, and when you leave, you don't cherish other things, you can only serve the genealogy;
It is said that it was created by Mrs Jin Wei.
Mrs. Wei, whose real name is Shuo and the word Mao Yi, is a female calligrapher in the Eastern Jin Dynasty.
Zhong You, someone once praised Mrs. Wei's calligraphy: "The ice of a broken jade pot is like a tree, and the moon of a rotten Yao platform is like a breeze." It fully affirmed the characteristics of Mrs. Wei's calligraphy, such as elegance, simplicity, fluidity and thinness.