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<p>[QUOTE=&quot;Insider, post: 2913375, member: 24314&quot;][USER=76863]@baseball21[/USER] </p><p><br /></p><p>I have seen <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie99" alt=":watching:" unselectable="on" unselectable="on" /> one red brown Unc Indian cent turned to the color of an original &quot;<span style="color: #ff4d4d">mint red</span>&quot; coin.&nbsp; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie57" alt=":jawdrop:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /> It was done by a coin dealer in the 1970&#039;s.&nbsp; The coin was put through two or three electric baths.&nbsp; I was not allowed to stand next to him <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" /> but the door was open and from about four feet away I could tell by the blue color in one of the baths that copper sulfate was involved.&nbsp; When he showed me the coin after treatment I told him it was a &quot;joke.&quot; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie52" alt=":hilarious:" unselectable="on" unselectable="on" /> He went back in an did it again and this time it came out perfect! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie14" alt=":angelic:" unselectable="on" unselectable="on" /> </p><p><br /></p><p>Now to this discussion.&nbsp; I know <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie26" alt=":bookworm:" unselectable="on" unselectable="on" /> copper coins can be restored to a &quot;market acceptable&quot; condition by both chemical and micro-mechanical methods.&nbsp; However, IMO, this is not being done on the scale that some here believe.&nbsp; Therefore, IMO both you and Doug are correct <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" /> - only the numbers are in dispute.&nbsp; Deciding what is &quot;market acceptable&quot; depends on the knowledge of the examiner.&nbsp; I have seen both chemically or mechanically altered coins in TPGS holders. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie85" alt=":smuggrin:" unselectable="on" unselectable="on" /> The number of these keeps decreasing as the graders learn more. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie59" alt=":joyful:" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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