1, the value of the work itself: Shu Tong's works are mostly about landscapes and characters, among which landscape painting is the most famous. Some classic landscape paintings are expensive, but Shu Tong's calligraphy works are not well-known in the art world, so the price is not high.
2. Relationship between market supply and demand: there are more works in the market, but the demand is less, and the price is correspondingly reduced; On the contrary, if there are fewer works and the demand is high, the price will increase accordingly.