Is Kong's calligraphy valuable?

Worth some money. Kong Fan Ju, 1950, born in Xiongyue Town, Yingkou City, Liaoning Province, is the seventy-fourth grandson of Confucius. His father, Kong Qingru, has a profound knowledge of calligraphy and is quite influential in the local area. Kong studied calligraphy since childhood and loved it since childhood. His works are very collectible, valuable and expensive.