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<p>[QUOTE=&quot;Publius2, post: 15144179, member: 105571&quot;]&quot;Crumbling&quot; mostly happens at the rim and dentils but there are exceptions.&nbsp; With crumbling rims what you&#039;re looking for is evidence that the dentils and possibly to some extent the obverse rim of the edge, on the die are failing or have failed.&nbsp; This shows up as not just weak dentils but also the dentils look like they are falling apart.&nbsp; Think of the look of concrete that is spalling and breaking down. The severity can range from mild to extreme.&nbsp; Note that you can have weak dentils but not crumbling rims.[/QUOTE]</p><p><br /></p>

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