Message:

<p>[QUOTE=&quot;GDJMSP, post: 4415977, member: 112&quot;]No, when I said high fineness I was talking about .99 gold or better. I&#039;ve never tested it on .986/.983 gold as I never saw the need nor was I willing to risk it, but it may work on gold that high - or it may not.</p><p><br /></p><p>This is the concern, and the key, with this method - </p><p><br /></p><p><br /></p><p><br /></p><p>And of you look at the pics of the .900 coin he tested, I believe you can see that that is what happened. Look at the roughness on the surfaces that are not visible on the before pic - but are in the after pic.</p><p><br /></p><p>If one wishes to remove copper toning from gold coins proper dipping is the safest and easiest method.[/QUOTE]</p><p><br /></p>

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