Is Ma Baoliang's calligraphy collectible?

Ma Baoliang's calligraphy is very collectible. According to relevant public information, Ma Baoliang is a famous calligrapher, a national first-class artist, a director of China Calligraphers Association and a member of China Calligraphers Association. His calligraphy works are exquisite, with high collection value, and are the best in China's calligraphy art.