Liu Yaomin is a famous contemporary painter in China, a member of China Painters Association and a national first-class calligrapher. His paintings and calligraphy works were recognized by China Art Appraisal Center, with a price of 6,000 yuan per square foot. Therefore, if you only spend 200 yuan to buy Liu Yaomin's calligraphy works, you may not get his original works. When buying works of art, we should pay attention to its authenticity and value.