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1990-D 1C wrong planchet error?
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<p>[QUOTE="Conder101, post: 214093, member: 66"]No Zinc has a much lower melting point than copper. Zinc melts just below 800 degrees, copper is about a thousand degrees higher.</p><p><br /></p><p>The copper plating can be removed by an acid reaction. It doesn't leave the surface of the zinc very nice.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 214093, member: 66"]No Zinc has a much lower melting point than copper. Zinc melts just below 800 degrees, copper is about a thousand degrees higher. The copper plating can be removed by an acid reaction. It doesn't leave the surface of the zinc very nice.[/QUOTE]
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