Ordinary commemorative coins are made of copper-nickel alloy, copper-zinc alloy, nickel-plated steel core, purple copper alloy, brass alloy and bicolor copper alloy. The materials of precious metal commemorative coins include gold coins, silver coins and commemorative coins cast by precious metals such as platinum and palladium or their alloys, and the materials are precious metals such as gold and silver.

2. Naming represents different meanings.

The denomination of precious metal commemorative coins is a symbolic currency symbol, which does not indicate its real price; The denomination of ordinary commemorative coins indicates their legal value.

3. Different liquidity.

Precious metal commemorative coins cannot be circulated, and their denominations are not recorded in the market cash flow. After the issue of ordinary commemorative coins, they can be circulated at the same value as other circulating RMB, and their denominations are recorded in the market cash circulation and become a part of the money supply.

4. Different collection methods.

Precious metal commemorative coins generally have certificates, while ordinary commemorative coins generally have no certificates; At present, precious metal commemorative coins mainly circulate gold coins and silver coins, while ordinary commemorative coins circulating in the market include dime, one yuan and ten yuan.

References:

Baidu encyclopedia-ordinary commemorative coins