October 29, 2022
Currency
This is the original coin, which was issued for "circulation". Sovereign issuers are put on the market at face value and circulated at face value in exchange. The currency is made of ordinary metal or precious metal; Unlimited circulation, generally large; The issuing years can be intermittent or continuous; Coins of the same denomination and design have different dates of issue. According to its actual use, it can also be divided into "withdrawn from circulation" and "in circulation".
Collection currency
The purpose of collecting coins is not to serve the "circulation", but to serve the "collection" of coins, which are usually sold by sovereign issuers at a price higher or far higher than the face value. It does not serve as the general equivalent in commodity exchange, but can be circulated in the market as a collection (commodity).