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<p>[QUOTE=&quot;KurtS, post: 2253950, member: 11786&quot;]I&#039;ve read your results several times, and the SG results for bronze, CuNi, and Al coins all seem to be within expected parameters. I should note, that most of your CuNi results are within expected values for this alloy. A few of the interesting results are the Mexican 1974-80 Pesos--a tad high, but maybe some base metal such as lead is mixed in?&nbsp; And XRF might shed some light on these coins. When I have time, I will cross-check some of these of these lesser-known alloys with the mathematical calculation for their specific gravity. Nice work![/QUOTE]</p><p><br /></p>

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