How much is Mi Nanyang's calligraphy and calligraphy works, how to identify them and how much are they worth?

Sun Yiqing's greatest contribution in his later years was to revitalize China's poetry, calligraphy and appreciation of cultural relics collection. Sun Yiqing, also known as Xia Hong Gong Yu, was the president of the Chinese Poetry Society and the honorary president of the China Cultural Relics Society. China Contemporary Poets and Poets (Volumes I, II and III) is a consultant to the editorial board, a famous calligrapher, editor and poet, one of the important founders of the Chinese Poetry Society, and a leading figure in the cause of contemporary poetry in China. His works also inherited his character. At present, the market is soaring at 50,000-80,000 square feet.