Personal pledge certificate, materials not specified. In addition to the name and font size, there are libraries, collections, leisure articles, auspicious, flowers and so on, which are very rich.

Source: Five Elements of Song History: "Dig it, you will get a bronze seal, and there is a saying:' Wensheng Private Seal'." Jade "Ma Ri Copy and Private Seal Duality": "There is another private seal saying:' Hanlin Dongtan'." Zhang Tianyi's Spring Breeze: "There is still a piece of paper stuck on the table, and I glanced at it:' Please don't use my book without my permission. "Followed by a thick exclamation point. Then it's signature. The last private seal. "

Qin private seal:

Most of the private seals in Qin dynasty were chiseled, with more rectangles than squares in shape, as well as ellipses and circles. There is also a sidebar grid on the print surface. No matter what shape, the volume is very small, commonly known as "Qin". The printed strokes are beautiful and lovely, and the font follows the shape and goes with the times. The structure is dense, extremely harmonious and unified, and the carving skill is exquisite, which shows the superb strain energy knife and technology of Indian craftsmen.

Chinese pinyin is pronounced [? sī yìn？ ]。

The privately printed sentences are as follows:

1, the second category is the Wen Tao on the unearthed Qin pottery, which should be the private seal of the pottery maker.

2. It is reasonable to stamp a president with the official seal, but if you stamp it in the wrong place and use it in the wrong place, it would be a big mistake to regard the official seal as your own private seal.