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<p>[QUOTE=&quot;Conder101, post: 1219317, member: 66&quot;]About the only thing I can think of that would cause something like that would be for a piece of wire to have gotten jammed between the planchet and the collar.&nbsp; A collar strike through error.&nbsp; It can&#039;t be a cracked collar because the groove in incuse.&nbsp; It can&#039;t be something raised on the collar that created the groove because in that case the coin could not be ejected form the collar without completely destroying the reeds on one side of the groove.&nbsp; But a strike through would form the groove, conform to the reeds, be ejected with the coin and then fall away leaving the groove.</p><p><br /></p><p>&nbsp;Another possibility would be some form of Post Mint Damage that crushed the reeds after striking.&nbsp; The fact that the reeds seem to bevel down into the groove tends to support that possibility.&nbsp; I would expect a collar strike through to have the reeds sharp up to the edge of the strike through and drop off sharply into the groove.[/QUOTE]</p><p><br /></p>

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