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<p>[QUOTE=&quot;Troodon, post: 218414, member: 4626&quot;]The alloy is actually less malleable; the addition of copper and silver makes it harder than the almost pure gold the buffalo is made from.&nbsp; (This makes the coin more durable, but wears the dies down faster.)</p><p><br /></p><p>The alloy is also more dense than pure gold; is why the coin made from it weighs more despite having less volume.[/QUOTE]</p><p><br /></p>

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