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<p>[QUOTE=&quot;ToughCOINS, post: 2266992, member: 20480&quot;]Listing all of the factors that play into die life would bore you . . . </p><ul> <li>Coin design</li> <li>Planchet hardness</li> <li>Press type (mechanical vs. hydraulic)<br /> </li> <li>Die alloy</li> <li>Die hardness<br /> </li> <li>Die alignment</li> <li>Irregular strikes (clashing of dies, off center strikes, capped die strikes, etc)</li> <li>ZZzzz . . .</li> </ul><p>As concerns averages, it would not be appropriate to assume die life is reasonably consistent from year-to-year, but it seems fair to assume that life might be somewhat consistent between dies of the same design in the same mint in the same year (same die alloy, annealing, sinking, heat treat, same presses, same annealing of blanks, same setup, etc.)[/QUOTE]</p><p><br /></p>

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