A new analytical system has been launched that aims to protect gold coin collectors by detecting the use of foreign alloys or other substances implanted on the surface of a piece. The Coin Sniffer from the Professional Coin Grading Service uses techniques including X-ray spectrometry and infrared spectral analysis to highlight the work of coin doctors within seconds, the organisation said. br /em style=font-size:11px;The news feeds on this site are independently provided by Adfero Limited copy; and do not represent the views or opinions of the World Gold Council./em
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