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<p>[QUOTE=&quot;yakpoo, post: 1060651, member: 18157&quot;]The Presidential/NA Dollars are 88.5% copper. I see that the annual worldwide demand for copper is 18.9 Million metric tonnes. If my calculations are correct, the total copper content of all the Presidential and NA dollars minted since 2007 comes to 16,181 metric tonnes...pretty much a drop in the bucket (less than 1/10th of 1%).[/QUOTE]</p><p><br /></p>

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