Song Tianji's calligraphy works have a unique personal style, so they have high artistic value. Song Tianji's calligraphy works conform to the aesthetic psychology of contemporary people and look forward to the aesthetic psychology of future people. You can know whose work it is without looking at the signature. Of course, this style is based on countless tempering and the scrutiny of most experts.
2. Song Tianji's calligraphy has high influence, status, personal charm and social recognition, so it has high value.
3. Things are scarce, so is the art market. Among ancient and modern calligraphy works, the calligraphy works of contemporary artists in Song Like and Tian Ji are relatively rare, so their value is high.