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<p>[QUOTE=&quot;Insider, post: 2354763, member: 24314&quot;]The surface of a coin under dirt/crud patinates <span style="color: rgb(0, 89, 179)">(my that&#039;s a big word...couldn&#039;t find it in my dictionary) </span>at a different rate than the exposed surfaces, if at all. <span style="color: rgb(179, 0, 0)">Insider agrees. </span>Gold as a noble metal is less susceptible to corrosion than others<span style="color: rgb(179, 0, 0)"> Insider agrees , seems you are a pretty good teacher after all.</span>, but the point stands that if you remove the dirt, the underlying surfaces will be of a different patination <span style="color: rgb(179, 0, 0)">(? <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie12" alt="o_O" unselectable="on" unselectable="on" />)</span>than the rest and the coin will clearly look cleaned.<span style="color: rgb(179, 0, 0)"> I&#039;ll have to admit, this is also true <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /></span> You&#039;ll then have to also remove the patination <span style="color: rgb(179, 0, 0)">(Ok, I get it &quot;patina&quot;)</span>to regularize the surfaces, leaving a circulated coin <b>obviously</b> too &quot;clean&quot; looking to be original.[/QUOTE] <span style="color: rgb(0, 89, 179)">Unless, a person knows how to &quot;SPOT CORRECT&quot; &quot;COIN DOCTOR&quot; &quot;RESTORE&quot; &quot;PROPERLY CONSERVE&quot; whatever you wish to call it.&nbsp; Many do, some work at NCS - I Don&#039;t!</span></p><p>&nbsp;</p><p>&nbsp;</p><p><span style="color: rgb(0, 89, 179)">NCS advertises that &quot;You have not seen their (conservation) work.</span></p><p><span style="color: rgb(179, 0, 0)">You or anyone else will not see mine EITHER <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie33" alt=":cigar:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie60" alt=":kiss:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie60" alt=":kiss:" unselectable="on" unselectable="on" /></span>[/QUOTE]</p><p><br /></p>

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