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<p>[QUOTE=&quot;David e Dennis, post: 1843252, member: 58592&quot;]Since the dies are slightly convex, the strongest force felt on the <a href="http://error-ref.com/Blank_Or_Planchet.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://error-ref.com/Blank_Or_Planchet.html" rel="nofollow">planchet</a> is in the center of that planchet. However, in the case of the Lincoln cent, the center of the obverse die is incuse, so the area on the obverse die that experiences the first and strongest force is[/QUOTE]</p><p><br /></p>

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