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<p>[QUOTE=&quot;John Burgess, post: 7485324, member: 105098&quot;]for the lines, in my opinion, these are rolling lines left behind from the machine used to roll out the metal sheet to spec thickness of the coin blanks. the rollers get grit or dirt, or simply wear over time and that leaves lines behind. I&#039;d think that the strike in many cases should obliterate the lines, however, maybe what is left behind in some cases are more extreme cases towards the end of the rollers usefulness and replacement. </p><p><br /></p><p>I don&#039;t really have a good answer, because it&#039;s all technically speculation without actually being involved in the processes. </p><p><br /></p><p>Could also be lines on the die, but then you&#039;d have to think there would be many examples from the die pair. </p><p><br /></p><p>Could be a sort of scraping from the scoop or shovel they use to gather the coins into the ballistic bag, but I don&#039;t think they would be so parallel, or so uniform in direction so my best guess is it&#039;s the rollers used to get the sheet to spec thickness that are doing it,&nbsp; before punching out blanks, that the strike doesn&#039;t for whatever the reason obliterate.[/QUOTE]</p><p><br /></p>

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