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<p>[QUOTE=&quot;lawdogct, post: 96208, member: 1476&quot;]Too new to be a RPM if memory servers correctly.&nbsp; I forget the exact date, but the method of mint marking was changed so that they are no longer hand stamped.</p><p><br /></p><p>The effect your looking at is caused by the difference in the charecteristics of the copper and zinc.&nbsp; If the strike pressure had been a bit higher, it would have torn the copper plating revealing the zinc below.&nbsp; In this case it mearly bubbled it up a little.</p><p><br /></p><p>When searching for double-dies, personally I tend to check out the serrifs first.&nbsp; If you see double (or trible or more) serrifs ( pointy parts of the letters and numbers) and they are all nicely rounded (not flattened out) then you may have something more than mechanical doubling.</p><p><br /></p><p>Good luck in the hunt....I&#039;m still looking for my first dd too <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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