This is a version of ancient Chinese coin. There are different shapes of ancient Chinese coins, and they all comes in many different features with their design. But as the ancient civilization of China advances, this shape for the coins stays the same every since it's invention in 350 BCE. The design of this coin is meant for maximun convinences for carriage and production. This square openning in the center of the coin is for use of putting it in a string and use them for banking and…
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