URL:https://www.badges-pins.com/what-are-commemorative-coins.html Coins are pieces of money made of metal. Its history in China spans thousands of years. The Baode copper shell from the Shang Dynasty, which dates back more than 3000 years, was the first metal coinage. Coins made of metal are easier to use, more resistant to abrasion, and have a longer lifespan in circulation. In addition to...