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<p>[QUOTE=&quot;medoraman, post: 1627113, member: 26302&quot;]I agree. No one can really tell if a coin was dipped once properly. Chemically, you are taking off a microscopic layer of metal, so eventually you will remove enough luster that the coin looks flat and lifeless. So, too many dips or improper dipping is effectively damage to the coin.</p><p><br /></p><p>Regarding cleaning, use a high power magnifier. Improperly cleaned coins have tiny scratches as evidence, and sometimes metal will build up around raised areas from the cleaning. There is a reason why coin geeks use magnifying glasses. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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