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<p>[QUOTE=&quot;John Burgess, post: 3627457, member: 105098&quot;]I spent the last couple week s going over it, researching this 2005 trying to figure it out and think it is roller lines, here&#039;s why.<img src="https://www.cointalk.com/attachments/img_2019-07-14_13-09-56-ccfopt-jpg.972826/" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><img src="https://www.cointalk.com/attachments/img_2019-07-14_22-11-10-jpg.965675/" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p>Linear plating blisters look like the below and are hollow they can be depressed with a toothpick, its literally a bubble under the plating:</p><p><img src="http://www.error-ref.com/wp-content/uploads/2013/12/55042155.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><img src="http://www.error-ref.com/wp-content/uploads/2013/12/55041234.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Planchet Striation/ roller lines aren&#039;t hollow and look like this: this is a Morgan 1883 with them but you will get the point from it:</p><p><img src="https://www.coincommunity.com/forum/uploaded/SeatedNut/20101016_pvj.1883o.striations01x.JPG" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><img src="https://www.coincommunity.com/forum/uploaded/SeatedNut/20101016_pvj.1883o.striations02x.JPG" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p>Key difference is whether they are raised or incuse, and if they can be depressed with a toothpick. If it can be, it&#039;s linear plating blisters, they are always hollow.</p><p><br /></p><p>If it can&#039;t be depressed it&#039;s likely roller lines, although I&#039;m not sold that just because the bubble can&#039;t be depressed, it couldn&#039;t be possibly very early stage linear plating blisters. It&#039;s more obviously roller lines on coins that aren&#039;t plated since plating, and plating bubbles aren&#039;t an issue, like nickels, quarters and dimes, halves and large dollars.</p><p><br /></p><p>Pretty much in all cases the linear plating blisters are accompanied by roundish Plating bubbles also in varying degrees, like small pimples and it progressively worsens over time as the zinc releases gasses and the blisters get larger and larger until a rupture then the real zinc rot begins.</p><p><br /></p><p>Besides some toning and the couple light black spots on the reverse, I guess from a cough or sneeze, this 2005 cent hasn&#039;t changed in 14 years from the day it was found in a 2005 BU roll of cents and I&#039;m in very Humid South Florida which should accelerate blisters and zinc rot, even doing my best to keep it humidity free, which I don&#039;t do.&nbsp; I&#039;m confident at this point this 2005 is roller lines and not linear plating blisters.</p><p><br /></p><p><br /></p><p>Back to this OP&#039;s pictures and coin. I can&#039;t see in detail the surfaces clearly, there are absolutely blisters visible behind lincolns head, and under the S in states, and I suspect more would be visible with clearer pictures. those larger dark spots on the obverse are absolutely zinc rot from the plating coming off at the rim. I don&#039;t think SmokinJoes&#039;s coin has been cleaned, and either way, roller lines or linear plating blisters or a combination of the two, it adds no value, and is seen as detracting in both cases as pre-mint/strike planchet flaws. The dark spots on the obverse are plating blister ruptures where the zinc is exposed and it&#039;s just a countdown until the coin gets eaten away form zinc rot. If you want to tell if the lines or blister looking things are plating blisters, press on them with a wooden toothpick and see if they give and depress.</p><p><br /></p><p>P.S. these are not all my pictures, just the first two on this post are, the rest I clipped from image searches on the internet for visual aids.[/QUOTE]</p><p><br /></p>

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