Is Xu Tao's calligraphy collectible?

Xu Tao's calligraphy is very collectible. According to relevant public information, Xu Tao is a national first-class artist, a national calligrapher, a national ceremony artist, a director of China Calligraphers Association, a secretary-general of China Culture Research Association, a member of China Culture and Art Development Association and a director of China International Calligraphers Association. 1994 Large-scale porcelain carving calligraphy works will enter the wine and win the special prize of the first lettering art competition in Shandong Province, which was reported by CCTV and Shandong TV. During the period of 1995, calligraphy works were selected into the National Staff Fine Arts Calligraphy Photography Exhibition sponsored by China Calligraphers' Association, Artists' Association and Photographers' Association, which was exhibited in China Art Museum and toured in eight provincial capitals.