what is coin silver

[BrandonDella]

Coin silver is a specific type of silver alloy historically used to produce silver currency, such as silver dollars. According to established standards in the United States, this alloy must have a minimum purity of .900 fine, meaning it is composed of at least 90 percent pure silver. The remaining 10 percent of the alloy consists of other metals, typically copper or nickel, which are added to increase the material's durability.

It is distinct from sterling silver, which is a more valuable and purer alloy. Sterling silver has a required purity of 92.5 percent, or .925 fine. The term "coin silver" directly reflects its primary origin as the material for coinage, though it was also used to create other antique items like flatware. Understanding this difference in purity is crucial when evaluating antique silver pieces.