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<p>[QUOTE="Kevin Mader, post: 8219520, member: 106826"]I know what you are talking about but penetrator marks are incuse. What I see in STATES looks like bumps. Could be a sign of heavier corrosion from environmental conditions. The photos are good but just a touch out of focus for a better diagnostic. </p><p><br /></p><p>To your comment though, I think it is reasonable to conclude that any denomination planchette could be subject to hardness testing and replacement to the population of planchettes. And from what I’ve read, the theory might be in question. In my experience, so much happens at the surface of material during coining that a penetrator mark would be eliminated. Especially on a cent planchet. </p><p><br /></p><p>So much to learn and consider about our hobby.[/QUOTE]</p><p><br /></p>
[QUOTE="Kevin Mader, post: 8219520, member: 106826"]I know what you are talking about but penetrator marks are incuse. What I see in STATES looks like bumps. Could be a sign of heavier corrosion from environmental conditions. The photos are good but just a touch out of focus for a better diagnostic. To your comment though, I think it is reasonable to conclude that any denomination planchette could be subject to hardness testing and replacement to the population of planchettes. And from what I’ve read, the theory might be in question. In my experience, so much happens at the surface of material during coining that a penetrator mark would be eliminated. Especially on a cent planchet. So much to learn and consider about our hobby.[/QUOTE]
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