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<p>[QUOTE=&quot;Hommer, post: 2855182, member: 73266&quot;]Correct me if I&#039;m wrong, my thinking is that the working dies are annealed to soften them before being struck with the working hub, and annealed or tempered again after being polished and struck with the working hub. After this the only maintenance done to the dies would be polishing to remove any damage from clashes or friction abrasion. The more material that has to be removed, the heavier the medium needed to remove it, then progressing to lighter grits to remove the scratches from the initial grinding. If the mint employee skips a few of the last steps to remove the scratches, they strike coins such as these.[/QUOTE]</p><p><br /></p>

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