This is the best polishing and tarnish removing cloth ever, and I use it on every piece of hand-stamped jewelry that I create and wear!! I highly recommend using this with all of your hand-stamped items! And, you don't need to use it often, just every few weeks to a month, so a little bit goes a long way!
Polishes and removes tarnish from all your jewelry made with these metals (and works great on non-jewelry items too!):