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<p>[QUOTE=&quot;Oldhoopster, post: 3328764, member: 84179&quot;]As [USER=13318]@l.cutler[/USER] and others have said, your cent was struck on a brass planchet.&nbsp; So were Billions of other cents, so I feel reasonably confident that it is a normal coin that just looks different because of some environmental toning.&nbsp; However, if you really feel that it was struck on a planchet with the wrong composition, there is an easy way to find out.&nbsp; Send it to an accredited testing lab for compositional analysis like XRF.&nbsp; You probably want to have few areas checked to make sure the results aren&#039;t skewed by any surface contamination.&nbsp; I would also have them test a normal cent to assure that any differences you see are statistically significant.&nbsp; Probably going to cost in the $1000 +/-&nbsp; range, but since you seem to disagree with the answers provided, this can confirm that you&#039;re right.&nbsp; You could also try XRD to see if there are any phases besides alpha-Brass, but unless you have reason to believe that you have more than approx. 35% zinc (versus the standard 5%), it will all show up as alpha. </p><p><br /></p><p>Hope this helps </p><p><a href="https://www.google.com/url?sa=i&amp;rct=j&amp;q=&amp;esrc=s&amp;source=images&amp;cd=&amp;cad=rja&amp;uact=8&amp;ved=2ahUKEwiKmubur4vgAhXB7oMKHS7DCaAQjRx6BAgBEAU&amp;url=https%3A%2F%2Fwww.chegg.com%2Fhomework-help%2Fquestions-and-answers%2Ffigure-1021-shows-portion-copper-zinc-phase-diagram-based-figure-address-following-write-i-q20543779&amp;psig=AOvVaw1Q8oW4lFATfoYHWin1RBVU&amp;ust=1548589486073129" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.google.com/url?sa=i&amp;rct=j&amp;q=&amp;esrc=s&amp;source=images&amp;cd=&amp;cad=rja&amp;uact=8&amp;ved=2ahUKEwiKmubur4vgAhXB7oMKHS7DCaAQjRx6BAgBEAU&amp;url=https%3A%2F%2Fwww.chegg.com%2Fhomework-help%2Fquestions-and-answers%2Ffigure-1021-shows-portion-copper-zinc-phase-diagram-based-figure-address-following-write-i-q20543779&amp;psig=AOvVaw1Q8oW4lFATfoYHWin1RBVU&amp;ust=1548589486073129" rel="nofollow"><img src="https://d2vlcm61l7u1fs.cloudfront.net/media%2Fd11%2Fd11d84f4-e298-4578-b969-b07835d2a4d6%2Fphpy3Rtyv.png" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></a>[/QUOTE]</p><p><br /></p>

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