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<p>[QUOTE=&quot;GDJMSP, post: 8198756, member: 112&quot;]With this coin it was the grease/oil that prevented that contact, stopped the lines from being struck out. When it was a planchet the lines we see now extended beyond where we see them now - and they were struck out for the most part. The faint traces of the lines we see now on those 2 stars are only visible because the stars did not get full struck up all the way. If they had, then they would have come into contact with the die, the metal would flowed, and the lines on the stars would have disappeared.</p><p><br /></p><p>The very same principles apply to the specific question you&#039;re asking. So yes, sometimes pre-strike adjustment marks can still be partially visible on struck coins. Sometimes only in certain areas and not others. In the fields they will generally disappear with the strike because the fields pretty much always come into contact with the die, but it&#039;s always a question of how much pressure and how much metal flow there is. So if the lines are extremely deep, then yeah, sometimes traces can still be seen in the fields. If pre-strike adjustment marks end up in a device area, if that are is fully struck up then they disappear, and if the area isn&#039;t fully struck up then traces will remain visible.</p><p><br /></p><p>We also have to remember that there are sometimes post-strike adjustment marks, and those are always visible.[/QUOTE]</p><p><br /></p>

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