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<p>[QUOTE=&quot;ValiantKnight, post: 2786486, member: 44210&quot;]Thanks guys for the additional compliments! About lemon juice on bronze coins, I realize results may vary (as with the bronze coin successfully cleaned on a previous page) but I also would try to avoid doing this unless nothing else worked. I attempted lemon juice on what I thought was a solid silver medieval Spanish denaro. Instead it was billon and the juice must have reacted with the copper in it because parts of the surface had turned an ugly pink and green. I myself am not sure either how ammonia would work on billon or silver-plated coins with copper in them. Bottom-line, definitely look up similar coins to the one you are considering cleaning and see what worked and what didn&#039;t.</p><p><br /></p><p>This is also very important as well:[/QUOTE]</p><p><br /></p>

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