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Innovation $ Pennsylvania, Die line through D Mintmark
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<p>[QUOTE="Oldhoopster, post: 4887272, member: 84179"]A good rule for identifying errors is trying to explain how it could occur during the minting process, not trying to explain/understand how it could be caused outside the mint.</p><p><br /></p><p>How would an <u>indented</u> line get on the coin during the minting process? The blanks go through an upset mill that would remove any residual marks. Any marks on the planchet would be removed/reduced by the collar during striking. If it was caused by the collar, it would have to be a <u>raised</u> mark on the collar to produce an indented line on the edge. Same with the edge lettering process. Any defect would have to be <u>raised</u> on the lettering die. That would rule out a crack or die gouge. </p><p><br /></p><p>The simplest explanation is that it’s either a bag mark or from the stacking/sorting/rolling equipment used by the outside vendor to roll the coins.[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 4887272, member: 84179"]A good rule for identifying errors is trying to explain how it could occur during the minting process, not trying to explain/understand how it could be caused outside the mint. How would an [U]indented[/U] line get on the coin during the minting process? The blanks go through an upset mill that would remove any residual marks. Any marks on the planchet would be removed/reduced by the collar during striking. If it was caused by the collar, it would have to be a [U]raised[/U] mark on the collar to produce an indented line on the edge. Same with the edge lettering process. Any defect would have to be [U]raised[/U] on the lettering die. That would rule out a crack or die gouge. The simplest explanation is that it’s either a bag mark or from the stacking/sorting/rolling equipment used by the outside vendor to roll the coins.[/QUOTE]
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Innovation $ Pennsylvania, Die line through D Mintmark
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