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<p>[QUOTE=&quot;Pickin and Grinin, post: 21899909, member: 73995&quot;]I looked up die dent. And the definition does not fit. A die dent would show as raised on the coin. These are recessed. Which would mean that the die surface is raised, in the area.</p><p>A strike thru would change the look of the planchet surface. A strike thru would be large at first and deteriorate as the material falls away from the die surface. </p><p><br /></p><p>I am still not sure what causes these. Maybe a small retained IDB that may or may not progress into an IDB.</p><p><br /></p><p>Here are a couple of photos of my 09 DC.</p><p>The area in question shows at the top corner of the piano. Also shows a small IDB in the recessed area. And then a curved area below the M and B of Columbia.</p><p>Two different coins.</p><p>[ATTACH=full]1543796[/ATTACH]</p><p>Anyone see the inconspicuous S, by the IA on the Piano?</p><p>[ATTACH=full]1543797[/ATTACH]</p><p>[ATTACH=full]1543795[/ATTACH][/QUOTE]</p><p><br /></p>

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