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<p>[QUOTE=&quot;desertgem, post: 3165337, member: 15199&quot;]The normal cent for 1983 were zinc core with a thin layer of pure copper over it. So greenish deposits only shows verdigris on the outer plating. Weighing is necessary for what you are asking. Since it probably only worth a cent either save it in a zip lock bag until you can weigh it, or let it continue corroding and when it penetrates the copper, you will have zinc rot beneath the shell. I though I saw some zinc in the green, but maybe not yet. Jim[/QUOTE]</p><p><br /></p>

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