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<p>[QUOTE=&quot;physics-fan3.14, post: 3274564, member: 19165&quot;]Well, Doug, you are absolutely and completely wrong on that one. The toning is completely independent of luster - it depends on the reaction of the surface of the coin with its environment. More reaction, means a thicker layer of toning, means different colors. I can get beautiful, natural rainbow toning on a silver fork or spoon just as easily as a coin, and those certainly have no luster.</p><p><br /></p><p>Luster will often make the colors &quot;pop&quot; more and seem more vibrant. A lustrous, rainbow toned coin will be more visually appealing than a lusterless coin. But the luster and toning are independent. </p><p><br /></p><p>I&#039;m just going to post this here dime and see what you have to say (not my coin).... because it is absolutely naturally toned, it is multicolored, and it has no luster: <a href="https://www.ebay.com/itm/1836-Caped-Bust-Dime-NGC-F15-2-sided-Rainbow-Bullseye-Tone-/113471611145?oid=113439599058" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.ebay.com/itm/1836-Caped-Bust-Dime-NGC-F15-2-sided-Rainbow-Bullseye-Tone-/113471611145?oid=113439599058" rel="nofollow">https://www.ebay.com/itm/1836-Caped-Bust-Dime-NGC-F15-2-sided-Rainbow-Bullseye-Tone-/113471611145?oid=113439599058</a></p><p><br /></p><p>I can find many, many more examples of very low grade rainbow toned circulated coins, if this isn&#039;t enough. There is absolutely no luster left on a coin below VF, but plenty of color available based on how it was stored.</p><p><br /></p><p>[ATTACH=full]864444[/ATTACH]</p><p>[ATTACH=full]864443[/ATTACH][/QUOTE]</p><p><br /></p>

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