How many square feet is Chen's calligraphy?

The current market price is 30,000 yuan per square foot.

Chen was born in Baigouling, Heluo Town, Gongxian County (now gongyi city) on April 20th, 1926. Now he is a contemporary China painter, printmaker and poet. He has served as vice chairman of Henan Calligraphers Association, vice chairman and honorary chairman of Henan Artists Association, president of Henan Painting and Calligraphy Institute, executive director of China Artists Association, Printmakers Association and Calligraphers Association, and representative of the 6th and 7th National People's Congress. From 1992, I will enjoy the special allowance of the State Council for life. Art works have been exhibited in spring salons in Japan, the United States, Singapore, South Korea, Malaysia and Paris. His works have won the "Lu Xun Printmaking Award" and the Phoenix Gold Award specially established by Japan International Printmaking Research Association.

Calligraphy is an artistic form of writing expression in the world, including China calligraphy, Mongolian calligraphy, Arabic calligraphy and English calligraphy. Among them, "China Calligraphy" is a unique traditional Chinese character art in China. Calligraphy in a broad sense refers to the writing rules of characters and symbols. In other words, calligraphy refers to writing with its brushwork, structure and composition according to the characteristics and significance of words, making it a beautiful work of art. China's calligraphy is an original performance art of the Han nationality, which is known as: poetry without words, wireless dance; Painless paintings, silent music.