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<p>[QUOTE=&quot;cpm9ball, post: 2289130, member: 24633&quot;]Sometimes, a die break can begin below the surface of the die. As the sub-surface crack expands, it causes the die steel to expand upward ever so slightly which appears to be a small depression on the coin. Eventually, the deformity breaks away and becomes a die break.</p><p><br /></p><p>I had quite a few examples of CA SQ&#039;s with this anomaly, and they all came from UNC Mint bags. Out of all of them, I found only one example of the sub-surface crack forming (on a few coins) and eventually breaking away (on another coin). It left a huge blob of metal on the brim of John Muir&#039;s hat which I dubbed &quot;Condor Doo-Doo&quot;.</p><p><br /></p><p>Chris[/QUOTE]</p><p><br /></p>

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