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<p>[QUOTE=&quot;cajy, post: 60046, member: 3618&quot;]<b>Sintered error</b></p><p><br /></p><p>I understand that the sintered error (of which yours appears to be-not copperwashed) is a phenomenon where copper grains adhere to the nickel cladded planchet during the annealing (heat treating) process.</p><p>Where these copper grains come from I do not know.</p><p>Ebay always has a wealth of information on errors if you were to look at enough auctions to educate yourself.</p><p>I&#039;ve sold them for any where between $35 to over $100.</p><p>Good Luck!![/QUOTE]</p><p><br /></p>

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