Coins in circulation can be exchanged at banks. There are the following ways:
1. Coin recycling companies: There are many coin recycling companies all over the country that can provide professional door-to-door high-priced coin recycling services.
2. Network mode: In addition to banks and coin recycling companies, you can also learn about it through the network platform. If you want to sell, you can send pictures of the collected varieties to the staff on these platforms and then evaluate them. After reaching a consensus, you can choose a more convenient payer according to your own needs.