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<p>[QUOTE=&quot;desertgem, post: 24826530, member: 15199&quot;]Coin toning ./ Toning removal chemicals can be EXTREMELY dangerous. This is an interesting example&nbsp; from the old days Cyanides were commonly used on Silver.</p><p><br /></p><p>&nbsp; &quot;August 1921 issue of The Numismatist:</p><p><br /></p><p>&quot;J. Sanford Saltus, an international figure in the numismatic</p><p>world, died suddenly at the Hotel Metropole, in London, on</p><p>June 24. Apparently in the best of health up to the time his</p><p>body was found in his room, the manner of his death was for</p><p>a time a mystery until an official investigation revealed that it</p><p>was due to accidental poisoning.... A verdict of &#039;death by</p><p>misadventure&#039; was rendered by the coroner&#039;s jury. The</p><p>evidence at the inquest disclosed that on the day before his</p><p>death he had purchased a small quantity of potassium cyanide</p><p>for the purpose of cleaning some recent purchases of silver</p><p>coins and retired to his room. Shortly afterward he ordered</p><p>a bottle of ginger ale. A glass containing the poison and a</p><p>glass containing the ginger ale were found side by side on</p><p>the dressing table, and it is believed that while interested in</p><p>cleaning the coins he took a drink of the poison in mistake</p><p>for the ginger ale.&quot;</p><p><br /></p><p>Actually any chemical that can clean or tone coins should be handled with </p><p>Gloves and a closed mouth. IMO, Jim[/QUOTE]</p><p><br /></p>

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