These are .60 oz of .999 Pure Silver in the form of knockouts from gaming tokens. Only the center round of .999 fine Silver from the gaming token is provided. Come in plastic tubes of 15! They may or may not be marked with the purity, but they are guaranteed .999 fine Silver. Selected at random from available inventory and condition ranges from perfect to scruffy. Enjoy a wide variety of .999 fine Silver knockouts.