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<p>[QUOTE=&quot;GDJMSP, post: 2902799, member: 112&quot;]I won&#039;t claim that it can be done with electrolysis but it can absolutely sometimes be done by dipping a coin. And I never claimed that black toning is always going to result in permanent damage, quite the contrary in fact. As I said we can never know if irreparable damage has been done until the black toning is removed, and sometimes there is damage and sometimes there isn&#039;t.</p><p><br /></p><p><br /></p><p><br /></p><p>Quite often true but not always. I myself have dipped several black coins to reveal gorgeous luster underneath. And similar experiences are often related by many others within the hobby.[/QUOTE]</p><p><br /></p>

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