Silver Rounds (Coins). This is silver that is made from private mints, not a government issue. They are generally made from well known mints such as Englehard, Johnson Mathey, Sunshine, U.S. assay. North west territorial mint, Pan America, OPM, NTR, RMC, Apmex. Sivertowne, Scottsdale Silver, and others but all are very tradable and make great investment.