Is Zhou Shaoxuan's calligraphy valuable?

Zhou Shaoxuan, pen name: Thousand Buddhas, posthumous title: Wuyang Xiamo, 19531February, born in Jingyan, Sichuan Province, is a first-class calligrapher, an international celebrity artist, a member of the Sichuan Provincial Prosecutor's Federation of Literary and Art Circles, a member of the China Calligraphers Association, a member of the Asian Calligraphers Federation, a meritorious figure in China's intangible cultural heritage of calligraphy and painting, one hundred outstanding calligraphers in China, and a listed artist in China's art investment and trading market.