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<p>[QUOTE="Oldhoopster, post: 4055646, member: 84179"]The small areas of exposed copper in the rim are likely caused by the blanking process. As a blank is punched from the clad strip, it is initially cut. As the punch continues through the sheet the metal will begin to tear (understanding this characteristic also helps to verify clipped planchets)</p><p><br /></p><p><br /></p><p>The torn side of the blank can have small areas of metal that smeared and stick out beyond the edge. You can see evidence of the smearing by looking at the edges of normally struck clad coins. It’s easy to find examples where one outer layer appears thicker than the other. This isn’t due to thickness variability, it’s due to the ductility of the metal and punching process. These small parts can get folded over on the rim and show the copper. Since they are thin, they usually are worn away quickly in circulation.</p><p><br /></p><p><br /></p><p>So as [USER=44615]@paddyman98[/USER] said. No added value.</p><p><br /></p><p>BTW: you may want to post each different coin/question as a new thread. You have multiple questions on this one and it can get confusing. You'll get better feedback if you do each separately[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 4055646, member: 84179"]The small areas of exposed copper in the rim are likely caused by the blanking process. As a blank is punched from the clad strip, it is initially cut. As the punch continues through the sheet the metal will begin to tear (understanding this characteristic also helps to verify clipped planchets) The torn side of the blank can have small areas of metal that smeared and stick out beyond the edge. You can see evidence of the smearing by looking at the edges of normally struck clad coins. It’s easy to find examples where one outer layer appears thicker than the other. This isn’t due to thickness variability, it’s due to the ductility of the metal and punching process. These small parts can get folded over on the rim and show the copper. Since they are thin, they usually are worn away quickly in circulation. So as [USER=44615]@paddyman98[/USER] said. No added value. BTW: you may want to post each different coin/question as a new thread. You have multiple questions on this one and it can get confusing. You'll get better feedback if you do each separately[/QUOTE]
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