Recently, by chance, I bought Zhang Zi carved Taishi Young Lion Niu Tian Huang Fangzhang, because I did not know too much about Zhang Zi, I came back after receiving the chapter to make up for my homework.

After inquiring about the Internet, at the 2005 autumn art auction of Shanghai Tai Auction Co., Ltd., one party Zhang Zi Xianzhang (printing surface 2.2×2.2×3.7 cm; weight 29.6 g) was auctioned for less than 100,000 yuan.
Infographic: People who do not seek quality and exalt themselves (Zhu Wen)
Side section: imitation of the National Bo Law, Qianting Journal)
For the traditional Boyi flowers and mountain stone carving theme, the carving is simple and clear, according to the stone grid carved a few pieces of begonias and a few branches. The texture of the print is crystal clear, fully transparent, comfortable and soft and smooth, the pulp is ancient and thick, the texture of the stone pattern is fine and clear, the blood tendon stone grid is also obviously recognizable, and the pure yellow and a little red is the most rare orange peel red in Tian Huangshi, which is most prolific in the late Ming and early Qing dynasties (commonly known as the Ming Pit).
Checking the "True Microprint Network" again, you can find that the seal of this "Idle Feelings and ClearNess" medal in my collection is listed.
Zhang Zi (active in the Qianlong period of the Qing Dynasty) birth and death year is unknown, the True Microprint Network said that he was probably born in 1735, plus or minus ten years, the word Qianting, the number of Zhan Yuan, Zhang Shen (Xiao Yuan) son, Shanghai people. Gongshi ancient text. Proficient in medical calligraphy and Chinese tablets, meticulously large and small seals, copied for thirty years, seal engraver Dharma King Wulin Gui Changshi, the steady and perfect work. I have engraved this seal on the third day after the Ninth Month of the Autumn of 1794.
Wang Qishu's "Feihongtang Seal Spectrum" contains more of his works, and Zhang Zi himself wrote "Yinzong".