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<p>[QUOTE="Bones-65, post: 8230432, member: 136030"]Okay, I've been around some dirty coin in my history of metal detecting (sense the early 80's)</p><p>So, I've done different things to try and clean some of them (never a key date).</p><p>We've determined that cleaning is bad, even though coin grading services provide cleaning services, and the best I can gather they mainly use a chemical dip process, that if you do isn't acceptable. But, its probably not best to go there in any details.</p><p>If I had a coin that I was testing the results of cleaning it with a pencil eraser I would SKIP that altogether and go this route.</p><p>I would put the coin under a little stream of running water and get it as damp (wet) as possible,</p><p>Then I put a good sprinkle (cover it) with baking soda,</p><p>Then I would put a couple of good size drops of Dawn on top the baking soda,</p><p>Run it around with your finger just a bit, but just enough to make it a bit of a paste,</p><p>Do the same thing on the other side of the coin,</p><p>now take your thumb and index finger and lightly pinch the coin and rube the paste into the coin using a circular motions,</p><p>While your doing this every 15 seconds take your pinch off from the coin and reposition your pinch to help knead (mix) the Dawn/soda blend.</p><p>Continue this for say a minute or so, then rinse the coin.</p><p><i><b>DISCLAIMER!!! this is still a CLEANED coin, and could ruin the value of valuable coin.</b></i></p><p>This is amazing to how fast it will shine silver!![/QUOTE]</p><p><br /></p>
[QUOTE="Bones-65, post: 8230432, member: 136030"]Okay, I've been around some dirty coin in my history of metal detecting (sense the early 80's) So, I've done different things to try and clean some of them (never a key date). We've determined that cleaning is bad, even though coin grading services provide cleaning services, and the best I can gather they mainly use a chemical dip process, that if you do isn't acceptable. But, its probably not best to go there in any details. If I had a coin that I was testing the results of cleaning it with a pencil eraser I would SKIP that altogether and go this route. I would put the coin under a little stream of running water and get it as damp (wet) as possible, Then I put a good sprinkle (cover it) with baking soda, Then I would put a couple of good size drops of Dawn on top the baking soda, Run it around with your finger just a bit, but just enough to make it a bit of a paste, Do the same thing on the other side of the coin, now take your thumb and index finger and lightly pinch the coin and rube the paste into the coin using a circular motions, While your doing this every 15 seconds take your pinch off from the coin and reposition your pinch to help knead (mix) the Dawn/soda blend. Continue this for say a minute or so, then rinse the coin. [I][B]DISCLAIMER!!! this is still a CLEANED coin, and could ruin the value of valuable coin.[/B][/I] This is amazing to how fast it will shine silver!![/QUOTE]
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