Proof Silver

Proof Silver

Any amount of pure silver used to test the purity of silver coins. In the United States, proof silver is disseminated by the Philadelphia Mint. See also: Assay, numismatics.
References in periodicals archive ?
Each World War I Centennial Silver Dollar and Medal Set includes a proof silver dollar and a proof 90 percent silver World War I Centennial Medal.
The 2010 proof silver dollar features, among other things, HMCS Sackville.
A unique gift to celebrate any occasion, the 2018 United States Mint Congratulations Set (product code 18RF) consists of a presentation folder with a 2018-dated American Eagle Proof Silver Dollar bearing the W mint mark of the West Point Mint.