Why are copper coins so expensive in Happy Ever After?

1, with a history and culture, originated in the Qing Dynasty and exquisite workmanship.

2. Coins are scarce, and folk currency is said to have originated in Han Dynasty. Money cast by the people for some special purposes, such as exorcism and auspicious meaning, does not enter the circulation basin.

3. Good moral, expressing people's yearning for wealth and a better life. Describe wealth and knowledge.