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<p>[QUOTE=&quot;Conder101, post: 1253331, member: 66&quot;]Doug&#039;s explanation is excellent.</p><p><br /></p><p>My understanding of the lasering is that the finely focused laser literally melts the surface of the gold allowing it to flow in and fill the hairline scratch.&nbsp; Now since the focused area of the beam is not much wider than the width of the hairline scratch you can imagine it would not show up much.&nbsp; Under high magnification though it would be noticed that the flowlines on the surface of the coin from the striking would be disrupted as well since the melting from the laser would &quot;heal&quot; those too.[/QUOTE]</p><p><br /></p>

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