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<p>[QUOTE=&quot;mikediamond, post: 1418137, member: 1859&quot;]It shows the characteristic diagnostics of a retained cud.&nbsp; The internal margin shows vertical displacement and the design sits on a low plateau.&nbsp; This has always been assumed to be a sign that this part of the die had broken off but was held in place by the collar.&nbsp; I am not entirely comfortable with this assumption, but that&#039;s the consensus view.[/QUOTE]</p><p><br /></p>

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