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<p>[QUOTE=&quot;4to2centBC, post: 2281707, member: 76181&quot;]I understand your point. It leaves me wondering about a couple things.</p><p><br /></p><p>Silver is about 17% denser than copper. I am not sure if it is possible to tease out the exact percentages of silver and copper by density measurements alone, or in combination with some other process. If so, then it seems it could be a quicker way to broadly sample a large number of specimens non-destructively. I assume this is not possible because smarter people than me are doing this and why would they not consider this obvious approach.</p><p><br /></p><p>Which leads me to the second musing. One could conduct a completely destructive analysis of perhaps 5-10K coins&nbsp; for a cost of perhaps a hundred grand or so. I believe that sample might deliver a statistical p-value good enough for this type of examination. I don&#039;t think you need millions of coins, but I am not sure. We need a statistician to jump in here. I haven&#039;t hit that subject in many years, but millions seems to be an unnecessarily high sample size. </p><p><br /></p><p>You might get people to donate unimportant samples (like my trajan decius) or find people to bankroll a hundred grand or so to cover cost of coins. Either way I think it can be done. People are bankrolling dumber things on kickstart all the time. The material loss of 10k (below average coins out of a world wide inventory of millions) seems like a small sacrifice if the information derived answers many other questions. Or if it validates or refutes existing narratives. </p><p><br /></p><p>Like I said, I understand your point. It just got me wondering what the actual challenges are, to do this correctly. </p><p><br /></p><p>M[/QUOTE]</p><p><br /></p>

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