Are Tan Jianli's paintings and calligraphy collectible?

Yes Tan Jianli, born in 1972, listens to the owner of Yuxuan. Zhai Hao: Listen to Yu Xuan. Every calligrapher's paintings and calligraphy are collectible, and every work is unique. If you like Mr. Tan Jianli's paintings and calligraphy, then it is valuable for collection. If you don't like it, it is also a very good choice to give it to someone you like.