Is Zhang Sike's calligraphy valuable for collection?

Zhang Sike's calligraphy is very collectible. Zhang Sike is currently a senior consultant of China International Economic, Cultural and Art Association, a senior consultant of China Calligraphers Art Center, a senior consultant of China Pictorial, the chairman of the World Chinese Federation, an academician and secretary general of the famous Shihua Painting and Calligraphy Institute in Beijing, the vice chairman of the National Brand Strategy Committee, the vice president of Beijing Houdehao Painting and Calligraphy Institute, an artistic consultant of CCTV's "Brilliant China" column, a deputy secretary general of China artists, a deputy secretary general of the Chinese Medicine Culture Research Association and a deputy secretary general of the World Chinese Artists Federation. Zhang Sike loved calligraphy since childhood, absorbed ancient innovations and gradually formed his own calligraphy style. He was also inspired by calligraphers Zhao Puchu and Qi Gong. Among them, his words such as dragon, tiger and bamboo are unique and widely praised and collected by people from all walks of life.