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<p>[QUOTE=&quot;superc, post: 1831902, member: 44079&quot;]A problem I have seen with dipping is that the cleaning solutions keep on working.&nbsp; Even after it is &#039;washed away.&#039;&nbsp;&nbsp; So what looks all pretty today, in 10 years it has all these micro pitmarks.&nbsp; TG I see that on copper pennies much more often than I do on classic silver coins.&nbsp; Still I have an album of &#039;cleaned&#039; mercury dimes someone dumb dipped in Tarnex or something similar 30+ years ago.&nbsp; All of them blackened or corroded with half the face eaten off and holes on the reverse where once there was an ax blade.[/QUOTE]</p><p><br /></p>

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