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<p>[QUOTE=&quot;dougsmit, post: 3019775, member: 19463&quot;]Weight of individual coins seems not a concern under Decius.&nbsp; They vary a lot. It might be interesting to see a study testing alloy to see if the heavy ones might have more base metal so all were closer to the same actual silver weight.&nbsp;&nbsp; Has this been published?&nbsp; There has been a terrible tendency for metal studies to be published as an average of all dates and mints within a reign while it is obvious to a collector of Septimius Severus that there were sub-groups regularly better and others lesser.&nbsp; When dealing with rare coins or those with a market value, it is hard to find coins for destructive testing and surface tests are not really accurate enough to be of value.&nbsp; I have insufficient interest in the question to compromise coins for the testing.&nbsp; I suspect the future will see development of what is an MRI for coins allowing interior &#039;diagnosis&#039; without drilling holes.&nbsp; I can wait.[/QUOTE]</p><p><br /></p>

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