Is Xu Zhantang's calligraphy and painting valuable?

Worth some money. Xu Zhantang, pen name Qian Shan, is a national first-class artist, a national first-class calligrapher and a national ceremony artist. Some of his works cost hundreds of thousands, while the price of calligraphy and painting reaches hundreds of thousands, so Xu Zhantang's calligraphy and painting are valuable. Xu Zhantang is good at calligraphy, pays attention to brushwork, has beautiful fonts, well-proportioned structure and strong book spirit, and is deeply loved by the public.