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<p>[QUOTE=&quot;GDJMSP, post: 1571939, member: 112&quot;]Kinda sorta, but not really. The point is buddy when toning gets to that point, becomes that dark, it is corrosion. </p><p><br /></p><p>Sure, it&#039;s an arguable subject, especially if you read and agree with the thinking of Weimar White. But virtually every numismatist on the planet disagrees with Weimar White on this point. </p><p><br /></p><p>Toning is a matter of degree thing, you have to think of it as being on a scale or line graph if you will. On one side (we&#039;ll say the left since we read from left to right) toning is just toning, a change of color in the metal. And as you progress across the scale it remains just toning. </p><p><br /></p><p>It is only when you reach the far right of the scale that things change and the toning turns into corrosion. It is at that point that it is no longer just a color change, metal is being destroyed, consumed, by the corrosion.</p><p><br /></p><p>Or, if you prefer you can put toning on a vertical scale, in layers if you will. One that starts at the very top layer of the metal, with a thickness/depth that is so thin that it almost defies measurement. It is so thin that it allows light to pass through the metal.</p><p><br /></p><p>But as the toning progresses it becomes thicker and thicker. Most of the way across the scale light can still pass through the metal. But eventually it becomes so thick that light can no longer pass through the metal and the toning turns dark. It turns dark because light is no longer passing through it and because the molecules of the metal are now being destroyed. It is at this point that toning becomes corrosion.</p><p><br /></p><p>Now that is a simplistic explanation, but an accurate one. And it is the basic explanation that is accepted and adhered to by virtually the entire numismatic community. But as I said, the point can be argued if you wish. But it&#039;s not going to change anything.[/QUOTE]</p><p><br /></p>

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