Greetings. While in Las Vegas a few months ago, purchased a Silver Strike at Harras Casino from Harras in Mississippi. It was a Civil War Commerative, and badly discolored. I came home and put it in Silver Dip for about thirty minutes. It cleaned the silver, but did not change (good or bad) the outer gold rim. Unless you have an idea for that, may try some "Brasso." Michael.