Is Jia Cizu's calligraphy valuable?

Jia Cizu's calligraphy is very valuable. According to relevant information, Jia Cizu's calligraphy is now listed at 2000.00 yuan/square foot. Jia Cizu's pen name is Jingyi and his legal name is Wenxuan. Han nationality, 1948, born in Jingyuan, Gansu. Young Meng Tingxun started with regular script, used cursive script, and later learned seal script. Can be mounted, clay sculpture, stone carving and so on. , is a famous painter in China.