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<p>[QUOTE=&quot;desertgem, post: 557894, member: 15199&quot;]I don&#039;t think anyone could have brought back the date. Nickle coins ( 25% + 75% copper) are the only ones I think the date can be restored at the expense of the coin surface. I seem to remember that the reason was the date and devices were hardened by the striking pressure more than the surrounding area, and that acids would attack the surrounding areas until they were eaten below the date level and the date could then be seen. Whether true or not, I am not sure, but it does make some sense. :goofer: Copper and silver coins are not affected similarly.</p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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