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<p>[QUOTE=&quot;19Lyds, post: 1841087, member: 15929&quot;]Specifically:&nbsp; <a href="http://www.error-ref.com/blanking-and-cutting-errors.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.error-ref.com/blanking-and-cutting-errors.html" rel="nofollow">http://www.error-ref.com/blanking-and-cutting-errors.html</a></p><p><br /></p><p>From the above site on</p><p>&quot;4. Reversal of position of exposed copper core. This pertains only to curved and elliptical clips in clad issues. In a clad coin, the copper core is asymmetrically exposed along the edge. The position of the exposed copper core &quot;flips&quot; when you transition from a normal edge to the clipped edge. The reason is simple: the normal edge represents the edge of the blank, while the clipped edge represents the edge of the hole.</p><p><br /></p><p><br /></p><p>&nbsp; As the blanking die pushes a blank through the hole in the perforated base plate, the edge of that hole drags the bottom clad layer onto the edge of the blank for a short distance, partly hiding the lower portion of the copper core. Simultaneously, the edge of the blanking die forces some of the top clad layer down onto the edge of the hole in the coin metal strip, partly hiding the upper part of the copper core.&quot;[/QUOTE]</p><p><br /></p>

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