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<p>[QUOTE=&quot;Insider, post: 2487313, member: 24314&quot;]When a Q-tip that is soaking wet in acetone barely touches a coin&#039;s surface as was posted above there is no chance to damage the metal; however the chemical will remove any &quot;skin&quot; <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie10" alt=":oops:" unselectable="on" unselectable="on" /> ...any surface contamination at that small spot.&nbsp; If this occurs, a professional would blend the surface contamination to hide his work.&nbsp; </p><p><br /></p><p>Abrasively rubbing a Q-tip across that mark will pick-up some of the grit and scratch the coin&#039;s surface.&nbsp; That&#039;s called an attempted &quot;spot removal.&quot;</p><p><br /></p><p>Now try this experiment at home.&nbsp; Take a pristine peace dollar (cheap bullion), run it under water to remove any grit, blow dry it and then take a dry Q-tip and gently rub a spot.&nbsp; The coin will show no effects.&nbsp; Then increace the forse with a new Q-tip.&nbsp; See how hard you have to rub in order to put some hairlines on it.</p><p><br /></p><p>There are many misconceptions and myths in numismatics such as properly dipping a pristine, original BU coin once can be detected. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /> </p><p>Listen to everyone and read everything - then find out by personal experiment which opinions are mostly BS from the mouth/pen of <span style="color: #b300b3">squawking parrots</span>.[/QUOTE]</p><p><br /></p>

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