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last batch from same vendor 2-kennedy mild error & 55-s bie cent, and sintering (s)
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<p>[QUOTE="Oldhoopster, post: 8193504, member: 84179"]"Sintered" doesn't accurately describe this type of error and the usage has fallen out of favor. The preferred term is improper annealing. See the error-ref link</p><p><br /></p><p><a href="https://www.error-ref.com/?s=Improper+annealing" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.error-ref.com/?s=Improper+annealing" rel="nofollow">https://www.error-ref.com/?s=Improper+annealing</a></p><p><br /></p><p>I'm not sure if your coins are improperly annealed. The best way to verify us to look at the edge. Per Fred Weinberg (A couple threads are in the archives), the reeding should be bright like a normal coin. If the edge and copper core are dull or the same color as the struck surface, then its not an error. </p><p><br /></p><p>The reason is that improper annealing affects the surface metal and doesn't go very deep below. As the coin is ejected from the Reeded collar, the small amounts of the edge surface are scrapped away leaving in reacted metal</p><p><br /></p><p>I believe the OP still has me blocked, which means he won't see this info, but hopefully it will be useful to other members.[/QUOTE]</p><p><br /></p>
[QUOTE="Oldhoopster, post: 8193504, member: 84179"]"Sintered" doesn't accurately describe this type of error and the usage has fallen out of favor. The preferred term is improper annealing. See the error-ref link [URL]https://www.error-ref.com/?s=Improper+annealing[/URL] I'm not sure if your coins are improperly annealed. The best way to verify us to look at the edge. Per Fred Weinberg (A couple threads are in the archives), the reeding should be bright like a normal coin. If the edge and copper core are dull or the same color as the struck surface, then its not an error. The reason is that improper annealing affects the surface metal and doesn't go very deep below. As the coin is ejected from the Reeded collar, the small amounts of the edge surface are scrapped away leaving in reacted metal I believe the OP still has me blocked, which means he won't see this info, but hopefully it will be useful to other members.[/QUOTE]
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last batch from same vendor 2-kennedy mild error & 55-s bie cent, and sintering (s)
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