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<p>[QUOTE=&quot;desertgem, post: 1489263, member: 15199&quot;]Good question. Copper is more reactive, cheaper, and more available in a 100% purity layer in post 1982 cents. If there were reasonable price 100% silver clad coins, I would give them a try as an experiment. The idea is that a pure substance ( copper or silver) would be better than an alloy such as bronze, sterling, or coin silver, but I don&#039;t know if it would be visible. </p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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