It is a collection value, which requires complete preservation, good appearance and scarce quantity.
However, the historical value refers to the fact that such coins can testify to some historical events, such as whether or not Wang Mang issued coins when he was in power.
The value of characters, the characters used in coins in different periods are different, which is of great research value to the evolution of China characters.
The craft value can well reflect the craft at that time, such as the casting technology of coins and the carving technology of decorative patterns.