Ancient coins refer to ancient currencies. Money is the product of commodity exchange. China is the first country in the world to use coins. There are many "brass shells" unearthed from the tombs of the late Yin and Shang Dynasties 3000 years ago, which are the most primitive metal currencies. In the late Western Zhou Dynasty, besides shell coins, some metal weighing currencies, such as loose copper blocks and copper ingots, were also circulated, which were unearthed in archaeological excavations. Chinese coins have created and broken many of the world's and China's world record associations.
Copper has the property of money, five elements of metal, and copper absorbs the gas field better than gold and silver. Therefore, copper money has a strong role in defusing the evil spirit. The copper coin is inside the outer circle, the outer circle represents the sky, the inner circle represents the place, and the emperor's year number represents the person in the middle. The "heaven, earth and man" only possesses, so it has the energy to turn the tide of heaven and earth. Many Emperors of Qing Dynasty issued copper coins as currency when they were in power. The use of copper coins has important practical and historical significance, which gradually facilitates the transaction.
Coin is an important symbol of the development of Chinese historical currency and economic development. The reason why ancient coins are precious is not only because they have gone through the vicissitudes of time, the number of survivors is scarce, the design is exquisite, the casting technology is superb, but also because as a cultural carrier, it records the development and change of politics, economy, finance, commerce, culture, science and technology in various dynasties and periods, which is of great significance and profound value.