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Check out this Lincoln Wheat Cent. Die clashed?
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<p>[QUOTE="SuperDave, post: 2928370, member: 1892"]Poor quality control in the heat-treating process. Keep in mind the quantity of dies being produced for a given striking year; they had to have put a <b>bunch</b> of them in the oven at once for each treatment. Local hot/cold areas in the oven, perhaps, or minor variances in the alloy of the steel of the individual die leading to a weak die. Half a percent of carbon content is the difference between steel you can strike coins with, and steel which can be struck as a coin.[/QUOTE]</p><p><br /></p>
[QUOTE="SuperDave, post: 2928370, member: 1892"]Poor quality control in the heat-treating process. Keep in mind the quantity of dies being produced for a given striking year; they had to have put a [B]bunch[/B] of them in the oven at once for each treatment. Local hot/cold areas in the oven, perhaps, or minor variances in the alloy of the steel of the individual die leading to a weak die. Half a percent of carbon content is the difference between steel you can strike coins with, and steel which can be struck as a coin.[/QUOTE]
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Check out this Lincoln Wheat Cent. Die clashed?
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