Is Li Lan's calligraphy valuable?

Li Lan's calligraphy is very valuable. Li Lancheng, male, 1965, born in Pingyu County, Henan Province, now lives in Beijing. Graduated from Henan Agricultural University and worked at the grassroots level for many years. He is currently a member of China Calligraphers Association, a member of Henan Calligraphers Association, a director of China Calligraphers Association, a vice president of China Tianzhong Painting and Calligraphy Research Association, a vice president of Beijing Huaxia Lanting Painting and Calligraphy Institute, a consultant of International Painting and Calligraphy Art Network, a senior researcher of Lushan Hairstyle Calligraphy Research Institute, and an academician of Beijing Huaxia Bangguo National Painting and Calligraphy Institute. He has written novels such as Time Village Official, Poems and Songs Collection, and Li Lan Cheng Calligraphy Collection, which are of great collection value.