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<p>[QUOTE=&quot;SuperDave, post: 2773474, member: 1892&quot;]On the die, polishing lines are not going to stop short and &quot;halo&quot; around devices, either, since those devices are recessed below the surface rather than raised. To a 100% degree of certainty, those lines appeared on the coin post-strike. I&#039;m not going to rehash whether or not they represent a deliberate cleaning or incidental contact - that horse passed away a while ago - but there is no doubt that they are <b>not</b> as-struck.</p><p><br /></p><p>A good reason for hairlines not to visibly traverse devices is, the device surfaces do not have the microstructure causing &quot;luster.&quot; Whatever hit the coin might not have been hard enough to show up on the devices, but the sensitive fields showed it immediately.[/QUOTE]</p><p><br /></p>

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