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<p>[QUOTE=&quot;jallengomez, post: 1718602, member: 19748&quot;]This area as well as the area between E PLU and the O in ONE exhibit a natural weakness on many wheat cents.&nbsp; The reason for this is that these areas correspond to the deepest relief elements(the top of Lincolns head and his rear shoulder) on the obverse and metal flow going into those elements and away from the anvil(reverse) die.&nbsp; This becomes even more pronounced as the reverse die ages and develops what is called &quot;<a href="http://www.error-ref.com/progressive-indirect-design-transfer-.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.error-ref.com/progressive-indirect-design-transfer-.html" rel="nofollow">progressive indirect design transfer</a>&quot; in these areas.&nbsp; It&#039;s not an error in the technical sense, it&#039;s just physics.&nbsp; The same sort of weakness can be seen on Memorial Cents around the left area of EPU.&nbsp; This is one reason that they eventually started going with shallower reliefs on Lincoln&#039;s bust.[/QUOTE]</p><p><br /></p>

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