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<p>[QUOTE="John Burgess, post: 4962383, member: 105098"]Still open<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie76" alt=":playful:" unselectable="on" unselectable="on" /></p><p><br /></p><p>I did A bit more research on the Buffalos with this appearance, and as I thought but refused to believe, it's the same thing that happens on woody lincoln cents. it's an improper alloy mix and it's just as common on Buffalos as it is on Bronze cents. The buffalo term is "alloy streaking" instead of "woody" ( guess because nickels don't really brown as they tone) and it's not as dramatic or appealing to collectors as woodies, but it doesn't hurt the grade at all. it's actually not annealing that causes it, it's the alloy mix not mixed well.</p><p><br /></p><p>And then this brought me to a whole another thing to research.....</p><p>“intrinsic metallic inclusions” a piece of metal in the mix that doesn't melt for whatever the reason, and gets included in the sheet,gets punched out and voila!.... Interesting indeed.</p><p><br /></p><p>[ATTACH=full]1192911[/ATTACH] </p><p>[ATTACH=full]1192912[/ATTACH] [ATTACH=full]1192913[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="John Burgess, post: 4962383, member: 105098"]Still open:playful: I did A bit more research on the Buffalos with this appearance, and as I thought but refused to believe, it's the same thing that happens on woody lincoln cents. it's an improper alloy mix and it's just as common on Buffalos as it is on Bronze cents. The buffalo term is "alloy streaking" instead of "woody" ( guess because nickels don't really brown as they tone) and it's not as dramatic or appealing to collectors as woodies, but it doesn't hurt the grade at all. it's actually not annealing that causes it, it's the alloy mix not mixed well. And then this brought me to a whole another thing to research..... “intrinsic metallic inclusions” a piece of metal in the mix that doesn't melt for whatever the reason, and gets included in the sheet,gets punched out and voila!.... Interesting indeed. [ATTACH=full]1192911[/ATTACH] [ATTACH=full]1192912[/ATTACH] [ATTACH=full]1192913[/ATTACH][/QUOTE]
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