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1835 Half Dime-PMD or Planchet Flaw?
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<p>[QUOTE="Publius2, post: 8422606, member: 105571"]This 1835 half dime, die marriage LM-8.2, is obviously heavily cleaned and has a couple of non-minor rim dings. But it also has a depression on Liberty's cheek. I originally wrote this off as PMD but upon closer examination with the stereo microscope at 10X and 30X, I am having second thoughts. So, obverse and reverse with a blow-up of the depression are shown below. My observations:</p><p><br /></p><p>- The depression itself exhibits a sizable raised dimple at the bottom of the pit. This is the kind of artifact that occurs when a section of metal breaks off. It is not usual to see something like this when a punch is used, unless the punch itself is shaped to produce the dimple.</p><p><br /></p><p>- There is no evidence on the reverse of a bulge or raised area opposite the obverse depression that you might expect to see if a punch or impact had caused the depression.</p><p><br /></p><p>- The coin is not at all bent, again something you might expect to see if the coin had been impacted with a punch.</p><p><br /></p><p>Could this be a planchet flaw, where a piece of the planchet broke off either before or after striking? Or is it just ordinary PMD?</p><p><br /></p><p>It doesn't matter to me which it is since the coin is not worth much of anything anyway. This is more academic interest. </p><p><br /></p><p>[ATTACH=full]1493749[/ATTACH] [ATTACH=full]1493750[/ATTACH] [ATTACH=full]1493751[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Publius2, post: 8422606, member: 105571"]This 1835 half dime, die marriage LM-8.2, is obviously heavily cleaned and has a couple of non-minor rim dings. But it also has a depression on Liberty's cheek. I originally wrote this off as PMD but upon closer examination with the stereo microscope at 10X and 30X, I am having second thoughts. So, obverse and reverse with a blow-up of the depression are shown below. My observations: - The depression itself exhibits a sizable raised dimple at the bottom of the pit. This is the kind of artifact that occurs when a section of metal breaks off. It is not usual to see something like this when a punch is used, unless the punch itself is shaped to produce the dimple. - There is no evidence on the reverse of a bulge or raised area opposite the obverse depression that you might expect to see if a punch or impact had caused the depression. - The coin is not at all bent, again something you might expect to see if the coin had been impacted with a punch. Could this be a planchet flaw, where a piece of the planchet broke off either before or after striking? Or is it just ordinary PMD? It doesn't matter to me which it is since the coin is not worth much of anything anyway. This is more academic interest. [ATTACH=full]1493749[/ATTACH] [ATTACH=full]1493750[/ATTACH] [ATTACH=full]1493751[/ATTACH][/QUOTE]
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1835 Half Dime-PMD or Planchet Flaw?
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