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<p>[QUOTE=&quot;Insider, post: 24865485, member: 24314&quot;]Toning is <b><i><font size="6"><span style="color: #ff0000">oxidation</span></font></i></b>.&nbsp; Oxidation is not necessarily a good thing although in some cases it protects the metal surface from further damage.</p><p><br /></p><p>With coins, attractive, colorful oxidation (some folks point out it is the destruction of the original surface) increases a coin&#039;s eye appeal to many and thus the coin&#039;s value.&nbsp; Ocidation is a form of corrosion and when it reaches end-stage (black) the coin&#039;s surface is completely destroyed.&nbsp; You can see amazingly beautiful and very expensive coins in collections with corroded rims and edges.&nbsp; The damage to these coins is usually totally ignored in the market.&nbsp; When it must be defined, &quot;environmental damage (ED)&quot; has become the &quot;vanilla&quot; word for corroded!&nbsp; Some of those pretty copper cents look ED.&nbsp; I don&#039;t put end-stage corroded coins in my collection.&nbsp; Others do and some sell for lots of money. </p><p><br /></p><p>Perhaps the new TPGS wants to educate the market about unacceptable corrosion.</p><p><br /></p><p>PS&nbsp; IMO, toning and eye appeal should not be considered for a coin&#039;s grade.&nbsp; They affect its value.&nbsp;&nbsp; The ONLY <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie98" alt=":wacky:" unselectable="on" unselectable="on" /> solution to the <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie30" alt=":bucktooth:" unselectable="on" unselectable="on" /> grading mess is to remove value, rarity, eye appeal, coin type, ownership, etc. from the equation as was done decades ago! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie10" alt=":oops:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie9" alt=":eek:" unselectable="on" unselectable="on" /> It will never happen as that system was rejected in favor of what we have evolved to now.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie7" alt=":p" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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