The middle of the Tang Dynasty, the silk silk gradual decline of the currency effect. This is due to Cheng-ping over the world a long time, the progressive development of commodity production, cotton and silk textiles, as both use value and exchange value of the currency, its limitations, such as the quality standard is not easy, once cut gucci will be cut-off value of its overall damage will be long hidden decay metamorphism and so more and more prominent, and therefore in circulation has been gradually replaced by coins. After the Song Dynasty, that is, a gradual retreatdaily necessities of life, only when the chance of social unrest in a medium of exchange to play a role.
With regard to currencyspecifications, commonly known as the Valley is the food, all kinds of cereals in general to hoh, promotion of capacity or weight as a unit. Commonly known as clothes, textiles, many varieties, such as Jin, embroidery, yarn, silk, Qi, Luo, |