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<p>[QUOTE=&quot;-jeffB, post: 3381885, member: 27832&quot;]That, and/or they don&#039;t know what they&#039;re doing. A quarter is 91.67% copper, 8.33% nickel; it has two layers of 75% copper/25% nickel bound to a core of pure copper. At least <b>until the outer layers are corroded away</b>. Which, coincidentally (not), leaves it weighing less than a normal quarter.</p><p><br /></p><p>If they &quot;measured&quot; it at 87% copper and 10% nickel, what did they say composed the remaining 3%? Inspiration?[/QUOTE]</p><p><br /></p>

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