Is Sanmo's calligraphy valuable?

Three ink calligraphy is valuable. According to relevant public information, the market value of Sanmo calligraphy is 3000-4000 yuan without square. His original name was Liu Libin, the owner of Zen Heart Pavilion and a famous calligrapher in Shaanxi. He is currently vice president of Chang 'an Oriental Painting and Calligraphy Institute and vice president of Chang 'an Shilipai Friendship Association.