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<p>[QUOTE=&quot;BadThad, post: 558802, member: 17261&quot;]Metal flow when the zinc planchet was rolled out and then amplified by the copper coating.....that&#039;s my theory. Some may say die polish lines, but the strange thing is they are all parallel and in the same direction.</p><p>&nbsp;</p><p>I have couple zincolns with very profound lines acrossed the surface. I&#039;ve posted pics and had a lot of discussion in the past, the conclusion was the lines are actually in the planchet. It&#039;s believed the planchet surface may actually have some texture to it, although, oddly, I have yet to see this on a blank. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie5" alt=":confused:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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