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<p>[QUOTE=&quot;Clawcoins, post: 3134697, member: 77814&quot;]as mentioned .. I was using the acid to remove the Zinc internal body of post 1982 Zinc Lincoln cents to create an outer copper shell of a lincoln cent and no internals.</p><p><br /></p><p>aka ... Just bored.&nbsp; </p><p><br /></p><p>And wanted to try it.&nbsp; </p><p><br /></p><p>Going to do it again but less time in the acid and no other junk.&nbsp; Pretty kewl having such a thin shell (from the copper plated zinc pennies).&nbsp; Just have to be really really careful touching them as they just crumble.</p><p><br /></p><p><br /></p><p>Environmental Damage.[/QUOTE]</p><p><br /></p>

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