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<p>[QUOTE=&quot;GDJMSP, post: 1242216, member: 112&quot;]It&#039;s really quite simple but not everybody may realize it. When you see a coin where the color is pretty much visible from any angle it&#039;s that way because the toning is thick or heavy, dark even works sometimes - choose your word. When the color can only be seen from certain angles it&#039;s because the toning is thin or light - choose your word.</p><p><br /></p><p>Toning is a matter of degree and progression. When toning first starts you can&#039;t see it at all, but it&#039;s there. And you could see it if you had a freshly minted coin to place side by side with it. Just about every coin there is is toned to some degree, except for those freshly dipped.</p><p><br /></p><p>Now I could write on for an hour about thin film interference, refraction and reflection, and probably a half dozen other words about the effects these things have on light. But what I said above says it all and in much fewer and more understandable words.[/QUOTE]</p><p><br /></p>

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