Because the calligrapher Tangshan Zi is not a very famous calligrapher, and some of his original works are sold online for less than 100 yuan, the price is still relatively low compared with other more precious works or precious calligraphers' works. So it's not very valuable.
The famous calligrapher is:
Wang Xizhi
Wang Xizhi, Shao Yiren, Han nationality, a famous calligrapher in the Eastern Jin Dynasty, is known as the "book sage". Linyi (now Linyi, Shandong Province) was born and later moved to Yinshan Huiji (now Shaoxing, Zhejiang Province). Successive secretary, general Ningyuan, Jiangzhou secretariat, later literature and history records, right general. His calligraphy is good at calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy, calligraphy.
Liu Gongquan
Liu Gongquan, Zi Chengxuan, Han nationality, was born in Huayuan (now Yaoxian County, Shaanxi Province) in the Tang Dynasty, and was a famous calligrapher. Liu Gongquan is studious, good at ci and fu, and knows the rhythm. Official to the prince, known as "Liu". After Liu Gongquan, he was named Duke of Hedong, also known as "Liuhe East". Public power is Yan Zhenqing's successor, but it is only a thin brushwork and unique; Later generations called it "Yan Liu", which became a model of calligraphy in past dynasties.
Yan Zhenqing
Yan Zhenqing, whose real name is Chen Qing and whose nickname is Xianmenzi, alias is Fang Ying, was born in Jingzhao Wannian (now Xi 'an, Shaanxi Province), and his ancestral home is Langjia Linyi (now Linyi, Shandong Province). Yan Shigu V, the secretary supervisor, is a grandson, and Situ Qing is his younger brother, a famous official and calligrapher in the Tang Dynasty. In the 22nd year of Kaiyuan, Yan Zhenqing became a scholar and served as a supervisor and consultant in the temple. Later, because he offended Yang, the powerful minister, he was demoted to be the prefect of the plain and was called "Yan Plain" by the world.
Ouyang Xun
Ou Yangxun, a scholar of Han nationality, was born in Linxiang, Tanzhou, Tang Dynasty. He was a famous calligrapher and official in Tang Dynasty, one of the four masters of regular script, the grandson of Ouyang Li, the general of South Liang Zhengnan, and the son of Ouyang Zhou, the general of South Chen. Liang Taiping was born in Hengzhou in the second year of Southern Dynasties, and his ancestral home is Linxiang in Tanzhou. Ou Yangxun, together with his contemporaries Yu Shinan, Chu Suiliang and Xue Qi, were called the four masters in the early Tang Dynasty. Because his son Ouyang Tong is also good at calligraphy, he is also called "Big Europe".
Xu Zhang
Zhang Xu, Zi, Zi, was a famous calligrapher in China in the middle Tang Dynasty. Born in Wuxian County, Wu Jun (now Suzhou City, Jiangsu Province), he was born in Kaiyuan and Tianbao years. He was the county magistrate of Changshu and a long history of Jin Wu. In the calligraphy world, he has the title of "Cao Sheng". During the Kaiyuan period of the Tang Dynasty, the official was the commander-in-chief of Changshu, followed by Jin Wu, a long history, who was called "Zhang Changshi" by the world. Good cursive script, good nature and good wine, known as Zhang Dian in the world, poetry is unique, and it is famous for its seven wonders.