On greater than 500 troy ounces I can get 95% from a local refinery.
Beyond that though, given clean either sterling, or even .99 silver that's been through a silver cell, is there any way to get better than 90%, without minting your own coin.
Beyond that though, given clean either sterling, or even .99 silver that's been through a silver cell, is there any way to get better than 90%, without minting your own coin.