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<p>[QUOTE=&quot;red_spork, post: 3808608, member: 74282&quot;]If it&#039;s silver step 1 is getting all the dirt off. It should be much easier than cleaning bronze and should clean up with distilled water and a toothbrush or toothpick. Once you get all the dirt off, if you want it cleaner and still think it&#039;s silver and assuming it&#039;s good(high purity) silver, I&#039;d recommend electrolytic reduction by making a mild citric acid solution, adding salt and folding the coin into some aluminum foil(you want to make a sort of packet), and submerging it for a few minutes at a time. Between soaks rinse it thoroughly, brush with the toothbrush to remove any crud that&#039;s ready to go, then repeat. Pay close attention to the metal as you may need to stop before it&#039;s completely clean if the metal is deteriorating.</p><p>You need to be absolutely sure it&#039;s silver before you start the electrolytic reduction. You won&#039;t have a bronze coin long if you do this to it.[/QUOTE]</p><p><br /></p>

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