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<p>[QUOTE=&quot;JayAg47, post: 8225520, member: 112342&quot;]Another way to look at it, knowing the metal composition can help create &#039;fingerprint&#039; database for certain coins. For instance Caesar&#039;s gold aureus minted in Gaul came from the gold coins of the captured tribes, different in composition from the issues from Rome. Similarly we could authenticate a rare ancient coin, something like an Eid Mar denarius/aureus or a dekadrachm based on its composition to see if it matches with a contemporary coin, given modern forgeries may use pure gold or silver to make fakes.[/QUOTE]</p><p><br /></p>

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