There are two main processes for coin making, one is stamping, the other is die casting. These two processes have different effects on the production of coins. So next, let's learn about the differences between the two coin technologies and related information.

Coins are currency minted from metal. It has a history of thousands of years in China. The earliest metal coinage was the Baode copper shell of the Shang Dynasty, more than 3000 years ago. Metal coins have the advantages of convenient use, abrasion resistance, and long circulation life. In addition to its own currency functions, it also has high artistic appreciation and collection and preservation functions. So what is the specific information about the coins used for commemorative significance?

Coins are currency minted from metal. It has a history of thousands of years in China. The earliest metal coinage was the Baode copper shell of the Shang Dynasty, more than 3000 years ago. Metal coins have the advantages of convenient use, abrasion resistance, and long circulation life. In addition to its own currency functions, it also has high artistic appreciation and collection and preservation functions. So what is the specific information about the coins used for commemorative significance?

There are two main processes for coin making, one is stamping, the other is die casting. These two processes have different effects on the production of coins. So next, let's learn about the differences between the two coin technologies and related information.

For a long time, the term commemorative coin is very popular and seems to have become a synonym for collecting coins. There is a difference between them. A commemorative coin is a kind of coin specially issued by sovereign issuers (the United States needs to be approved by Congress) to commemorate someone, or something. Its purpose is to give full play to its propaganda function with the help of the "mass media" of coins. However, commemorative coins can be either in circulation or in the collection. The commemorative coin we produce is a kind of ordinary custom-made souvenir, which can be felt by people with excellent workmanship. How about the material composition and preservation of the coin?

Pattern design and cleaning methods of coins Coins have a variety of shapes, such as cartoon shapes, brand shapes, simulation models, etc. The materials are generally copper, aluminum, etc., mainly zinc alloy surface nickel or rhodium and other anti-rust elements. Coins have become a small gift. Thi