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<p>[QUOTE=&quot;mikediamond, post: 4507779, member: 1859&quot;]&quot;Circular die crack&quot; is simply a descriptive term.&nbsp; It can be used for the die crack that preceded the formation of a circular die chip on the 2019-P Lowell National Historic Park quarter dollar.&nbsp; It can also be used for any die crack that forms a circle.&nbsp; A retained die break is a chunk of the die that sinks inward, leaving the design on the coin resting on a low plateau.&nbsp; These can be divided into retained interior die breaks (both freestanding and ones connected to the rim by one or more die cracks) and retained corner die breaks (i.e., retained cuds).&nbsp; A die break is a void in the die face cause by brittle failure.&nbsp; On the coin, these can take the form of die chips, interior die breaks, and cuds.&nbsp; Are there any more &quot;garbage terms&quot; you&#039;d like help with, Chris?[/QUOTE]</p><p><br /></p>

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