Is Yang Fei's calligraphy collectible?

Yes Yang Fei, also known as Wen Xi and Guo Qi,1born in February 1968, is a national first-class calligrapher and a native of Yancheng, Jiangsu. The price of his calligraphy and painting in the market is 5000 yuan to 1000 yuan, which has the value of collection and preservation, and can fetch a good price if it is preserved for 30 years.