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<p>[QUOTE="Ed Snible, post: 7954327, member: 82322"]Why so sure? I believe NGC sometimes runs the analysis to make the authenticity determination.</p><p><br /></p><p>NGC (modern) will do metallic analysis and put the results on the slab for $75. See <a href="https://www.ngccoin.com/news/article/1591/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.ngccoin.com/news/article/1591/" rel="nofollow">https://www.ngccoin.com/news/article/1591/</a> for an example of what that looks like. I have never seen a slabbed coin from NGC ancients with printed results. (If anyone has seen one, let me know.)</p><p><br /></p><p>I went to NYC's "diamond district" last month but I was unable to locate anyone willing to XRF ancient coins in exchange for a cash payment. I did have a guy analyze a few for free (!!!). Dirty Old Coins used to have mail-order service to XRF for $25 or $75 and Ras told me there was very little demand.[/QUOTE]</p><p><br /></p>
[QUOTE="Ed Snible, post: 7954327, member: 82322"]Why so sure? I believe NGC sometimes runs the analysis to make the authenticity determination. NGC (modern) will do metallic analysis and put the results on the slab for $75. See [URL]https://www.ngccoin.com/news/article/1591/[/URL] for an example of what that looks like. I have never seen a slabbed coin from NGC ancients with printed results. (If anyone has seen one, let me know.) I went to NYC's "diamond district" last month but I was unable to locate anyone willing to XRF ancient coins in exchange for a cash payment. I did have a guy analyze a few for free (!!!). Dirty Old Coins used to have mail-order service to XRF for $25 or $75 and Ras told me there was very little demand.[/QUOTE]
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