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<p>[QUOTE=&quot;-jeffB, post: 3601888, member: 27832&quot;]Interesting question, but I&#039;ve been led to believe that there <i>isn&#039;t</i> any luster under the copper layer -- that the flow lines don&#039;t get impressed that deeply.</p><p><br /></p><p>I don&#039;t know of any accessible ways to strip off copper without attacking zinc, but I understand that it&#039;s possible. If I could manage one of those methods, I&#039;d start looking for Zincolns from very late-stage dies (deep and coarse flow lines), and see for myself what&#039;s under there.[/QUOTE]</p><p><br /></p>

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