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<p>[QUOTE=&quot;-jeffB, post: 1684724, member: 27832&quot;]That&#039;s a really interesting question. I&#039;m not having any luck finding actual malleability figures for the 90% gold/10% copper coin alloy, and I don&#039;t have any coins I&#039;d be willing to attack with an awl and a weight. My intuition is telling me that 90% gold, which was formulated to hold up in circulation, would be harder than .999 silver, which wasn&#039;t.[/QUOTE]</p><p><br /></p>

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