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<p>[QUOTE=&quot;Silverlock, post: 3421764, member: 98181&quot;]I was watching an episode of America’s Lost Vikings for some reason, possibly because my IQ dropped so much from even the briefest exposure to the show while flipping by that I lost the ability to operate the remote. Whatever the reason, the cast was endeavoring to determine if a Viking coin allegedly found in Maine was indeed ancient. </p><p><br /></p><p>The technique they used was based on the thickness of the patina. Fake coins, they argued, would have a patina of even thickness. Coins that had been in ground a while and patinated naturally would have a patina of uneven thickness. They used some type of poorly described laser technique to determine patina thickness across a transect of the coin. Neat. Never heard of that method, but the logic seems sound.</p><p><br /></p><p>I don’t want give away the surprise results from the show [SPOILER ALERT], but suffice it to say the coin exhibited an uneven patina thickness, was adjudged to have been in the ground for a while, which could <b>only</b> mean the “finder” — who wouldn’t you know just so happened to have been a coin collector himself — must have found the coin in Maine, therefore proving Vikings in America. Ugh.</p><p><br /></p><p>Anyway, has anyone heard of this technique? I’d be interested in learning more about it.[/QUOTE]</p><p><br /></p>

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