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<p>[QUOTE=&quot;clembo, post: 493008, member: 8033&quot;]I read your thread Dave and I believe Coin Care is similar to Blue Ribbon. You will see it on dealers shelves because they do use it.</p><p>Acetone and dips are also used in many shops.</p><p><br /></p><p>I harshly cleaned these coins to make a point and it seems to have been taken. Cleaning coins can be a dangerous thing.</p><p>When a budding new collector asks me about cleaning products I tell them not to clean EVEN THOUGH we have Blue Ribbon on the shelf at work. They need to learn more about the hobby and beauty of a natural coin before even considering cleaning IMHO.</p><p><br /></p><p>Read on.</p><p><br /></p><p><br /></p><p><br /></p><p>Spock makes an excellent point here. Sometimes it is in the best interest of the coin to resort to cleaning. Verdigris and PVC residue must be removed if possible.</p><p>If not the coin will get worse over time.</p><p>PVC is pretty easy in most cases. Verdigris can be very tough.</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>Certainly don&#039;t want to dip copper. On silver many, including dealers, do exactly what BQ has posted.</p><p>I do it at work for the boss. For my personal stuff I leave it as it is. I have a growing &quot;collection&quot; of near black coins that I have &quot;rescued&quot; at work. Some are BU - I just happen to like the character. A matter of individual tastes.</p><p><br /></p><p><br /></p><p><br /></p><p>I&#039;m afraid it does happen on a very regular basis and I&#039;m sure they are aware of it. A quick dip before sending a Morgan Dollar to PCGS or NGC happens a lot.</p><p><br /></p><p>I was always pretty much a &quot;purist&quot; about cleaning coins and still rarely touch any of my own. It&#039;s different I&#039;m afraid to dealers seeing thousands of coins.</p><p>It&#039;s odd that a coworker and I have become fairly adept at it - through practice. Neither of us is crazy about it.</p><p><br /></p><p>My &quot;best&quot;, if you can call it that, was an Isabella quarter. Came in real black and the boss wanted it slabbed. I got the honors.</p><p>I worked it slowly and methodically over a few days. Got it to a &quot;natural&quot; grey. The boss wanted me to work it more and I told him no. It was done.</p><p>It came back an AU58 with no problems mentioned from ANACS.</p><p><br /></p><p>Was I proud that I had slipped one by ANACS? No. I was happy that I didn&#039;t destroy the coin.</p><p><br /></p><p>Other coins my coworker and I will just say no period. Has no hope and we won&#039;t touch it.</p><p><br /></p><p><br /></p><p>Bottom line remains the same to me folks. If you don&#039;t have to attempt cleaning a coin then just leave it be.[/QUOTE]</p><p><br /></p>

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