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<p>[QUOTE=&quot;SPP Ottawa, post: 1562695, member: 39508&quot;]I am somewhat surprised, given the depth of error expertise here, at the lack of response. I can only assume very little has been published or documented on alloy mixing errors of US Cu-Ni nickels?</p><p><br /></p><p>Here is an example, a 1924 Buffalo nickel, quite brown in colour. This particular coin is 81.96% Cu (supposed to be 75%), I published it as an example to the brown Canadian 5-cent coins we see, of similar elevated Cu values from 1982-1990, in The Canadian Numismatic Journal (June 2012).</p><p><br /></p><p>Does anyone here have US nickels (Liberty, Buffalo, Jefferson) that look like this Buffalo nickel?? Are you willing to let me borrow those coins for (nondestructive) XRF analysis?? I would eventually want to publish the results, probably with CONECA.</p><p><br /></p><p>[ATTACH]212030.vB[/ATTACH][/QUOTE]</p><p><br /></p>

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