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<p>[QUOTE=&quot;Conder101, post: 390211, member: 66&quot;]That is a genuine planchet error.&nbsp; Clamshell lamination that split off ofter striking.&nbsp; The upper silver layer was not bonded to the copper except in the area that is still on the coin.&nbsp; It is called a clamshell lamination because if you were to look at it from the edge it opens up like a clamshell and is &quot;hinged&quot; at the bottom.&nbsp; Some time after the coin was struck the hnged silver lyer broke off leaving just the part that was well bonded.&nbsp; (If it had broken off before striking, the copper area would show much clearer details.)[/QUOTE]</p><p><br /></p>

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