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<p>[QUOTE=&quot;GDJMSP, post: 709445, member: 112&quot;]The mint stated flat out earlier in the year that the reason the &#039;09 Proof sets were delayed so long was because the cents were toning so quickly. They delayed the release while they were trying to find some anti-tarnishing coating that they could use on them. They finally came up with one and then released the Proof sets.</p><p><br /></p><p>The mint has been using anti-tarnish coatings on all of the dollar coins since they were first released in 2000. They still are using them.</p><p><br /></p><p>But the &#039;09 business strike Lincolns, these get nothing. As to why it seems that they are toning so quickly, I think it&#039;s just been so long since we&#039;ve had those coins in that composition that perhaps we have forgotten just how reactive that 95% copper composition really is.[/QUOTE]</p><p><br /></p>

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