10 X Sunshine mint 1 troy oz silver bars. These are 1 troy oz bars of .999 fine silver. Sunshine Minting Inc. (SMI) is a supplier of precious metal products. SMI Are the primary supplier of silver blanks to the United States Mint and a supplier of mint products to international mints, financial institutions, marketing companies, and corporations around the world. (these bars come in single ingot pva envelopes)