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<p>[QUOTE=&quot;paddyman98, post: 2560522, member: 44615&quot;]In 1994 the Mintmark was not punched into the Obverse Die so it cannot be a RPM. That&#039;s why there is no info.</p><p>The 1994 is Copper Plated Zinc. What you have is a plating issue. There was a plating bubble on the Mintmark at one point and it burst. Or it might just be <b>Zinc Deterioration</b> forming.</p><p>I want to share this webpage with you - <a href="http://www.error-ref.com/zinc-deterioration-on-lincoln-cents/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.error-ref.com/zinc-deterioration-on-lincoln-cents/" rel="nofollow">http://www.error-ref.com/zinc-deterioration-on-lincoln-cents/</a></p><p><br /></p><p>It&#039;s considered unintentional PSD - Post Strike Damage</p><p><br /></p><p>And if you look at the rest of your Cent you can see Plating Blisters - <a href="http://www.error-ref.com/blisteredplating/" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.error-ref.com/blisteredplating/" rel="nofollow">http://www.error-ref.com/blisteredplating/</a>[/QUOTE]</p><p><br /></p>

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