How much are Chen's calligraphy works?

Liu Jiannan, born in 1956, is a national first-class painter, a national treasure artist and a contemporary calligraphy artist in China. Now he is honorary chairman of China Calligraphy Artists Association. I studied at home since I was a child, and I like painting and calligraphy. I am loyal to my duties and work hard. Over the years, I have studied day and night. Look at the ancient posts, learn from others' strengths, learn from others' strengths, bring forth the old and bring forth the new, and be unique. His books are free and upright, vigorous and smooth, simple and heavy, yet majestic, and full of harmonious beauty. Has a distinctive flavor of the times and personal style. His works have participated in calligraphy exhibitions at home and abroad, Hong Kong, Macao and Taiwan for many times and won many awards. Some of his works have been compiled into various dictionaries, picture books and newspapers. His works are praised and treasured by military and political dignitaries, film and television celebrities, corporate elites, Buddhist monks and successful people at home and abroad.