Is Zhu Hengxian's calligraphy collectible?

This character's handwriting is very collectible.

Zhu Hengxian is a famous calligrapher who is good at official script, regular script and running script. His calligraphy works are collected by many international friends. Zhu Hengxian's calligraphy works show superb skills and unique artistic charm in the use of pen and ink, structural layout, vivid charm and so on. Therefore, Zhu Hengxian's words are highly sought after in the art market and have certain art collection value.