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<p>[QUOTE=&quot;CamaroDMD, post: 559258, member: 5233&quot;]That&#039;s not correct.&nbsp; Silver and copper are anything but inert (that&#039;s why they tone).&nbsp; Gold isn&#039;t inert either, although it&#039;s less reactive that silver and copper.&nbsp; If you dip a coin in acetone for too long you will get a washed out look and the luster will be gone.[/QUOTE]</p><p><br /></p>

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