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<p>[QUOTE=&quot;KurtS, post: 2254901, member: 11786&quot;]Recently, I&#039;ve taken an interest in composition analysis of silver coins. It&#039;s intriguing to see what&#039;s <i>really in a coin</i>, and how this might reflect on mint practices and where they sourced their metals. One thing that immediately strikes me is that Sasanian silver has a detectable amount of gold--something which you don&#039;t always see in modern silver or even in the Roman imperial silver I discussed earlier. I&#039;m unsure how much Sasanian coins are faked, but perhaps the gold content could be a way to tell genuine coins from modern fakes?&nbsp; XRF will undoubtedly play a larger role in forgery detection in the future.</p><p><br /></p><p>Below is a brief table of some results of the analysis--the whole paper can <a href="http://iansa.eu/papers/IANSA-2013-02-sodaei.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://iansa.eu/papers/IANSA-2013-02-sodaei.pdf" rel="nofollow">be found here</a> (pdf).</p><p><br /></p><p><img src="https://c1.staticflickr.com/1/647/22283781655_27394e287b_b.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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