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<p>[QUOTE=&quot;Oldhoopster, post: 8363855, member: 84179&quot;]Assuming the coin was made primarily from metal obtained by smelter ore.&nbsp; Each ore deposit will have different types and amounts of trace elements, so with accurate analytical equipment, developing a &quot;mine fingerprint&quot; is possible</p><p><br /></p><p>The problem with coins is that mints had a tendency to remelt older, worn out coins, higher purity coins (if they are debasing the new coins), and coins from other regions.&nbsp; Those things can throw the analysis off, making the determination of the ore challenging.[/QUOTE]</p><p><br /></p>

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