Our Silver bullion bars are always be stamped with their weight and purity and are often identified and hallmarked with the insignia of the producing institution.
The Johnson Matthey / Engelhard branded bars are among the most common in the industry, but other manufacturers include NTR Metals, Royal Canadian Mint, Amark, OPM, etc.
Purity: 99.9% Silver - minimum
Weight: 1 troy ounce