The object of this document is: rare Chairman Mao's seal. The collection is well preserved, with first-class appearance, low oxidation and wear, and fine workmanship. And according to its casting process, it is a rare beauty. In recent years, China has paid more attention to the cultural industry, which has led to the rise in the value of works of art. The market popularity and transaction rate of rare works of art are very good. Investing in art has also become the first choice for many investors. Therefore, whether from the perspective of collection or economic value, the collection is very worth starting with.