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<p>[QUOTE=&quot;Insider, post: 2726152, member: 24314&quot;]V. Kurt Bellman, posted:&nbsp; &quot;To me, the acid isn&#039;t even the core issue. Maybe it WOULD be if I ever used eZest or any other commercial dip, but I never have. <span style="color: rgb(255, 0, 0)"><b>I&#039;ve never even touched the stuff.&quot;</b> </span></p><p><br /></p><p><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /><img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie15" alt=":arghh:" unselectable="on" unselectable="on" />&nbsp; Oh great,&nbsp; Say it is not so...!&nbsp; I should have known it- you are writing about something you have<b><u><span style="color: #ff00ff"> NEVER</span></u></b> used in spite of what you wrote in Post#35:</p><p><br /></p><p><br /></p><p><br /></p><p>Well, that&#039;s OK. I have been cleaning coins since the 1950&#039;s (I even used baking soda as it was recommended back then <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" />).&nbsp; So you can believe me when I say commercial dips (including thiourea) are used on all different coins by professionals. </p><p><br /></p><p>BTW, just to drive the nail home...baking soda is used as an abrasive on a daily basis to conserve coins.&nbsp; When it is used correctly by those who know the techniques and when to use it - no one can tell - even using a stereo microscope!&nbsp;&nbsp; I&#039;ve seen it done right in front of me <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /> <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie57" alt=":jawdrop:" unselectable="on" unselectable="on" /> on silver coins![/QUOTE]</p><p><br /></p>

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