Coin materials

– Silver

– Gold

– Brass is composed of copper and zinc.

– Bronze is made up of copper and tin.

– Silver-plated coin: a coin is covered (plated) with an outer silver layer.

Bullion refers to physical gold and silver of high purity that is often kept in the form of bars, ingots, or coins.

.999, .925, .900, .800, .500,… .100 fine gold/silver coins: the purity levels of gold/silver coins