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<p>[QUOTE=&quot;ndgoflo, post: 110185, member: 367&quot;]Here is one theory, (I have a few cents similar to the coin in question).&nbsp; I believe they are &quot;brass plated&quot;. Post 1982 cents are made of zinc, and then plated in a bath of copper. When/if some of the zinc planchets get &quot;lost&quot; in the bath, they slowly dissolve and the additional zinc turns the bath of copper to brass.[/QUOTE]</p><p><br /></p>

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