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Experimenting with MS70 and copper
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<p>[QUOTE="lkeigwin, post: 1598236, member: 30400"]Honestly, I don't like the stuff.</p><p><br /></p><p>There's a place for a coin dip like eZest (nee Jewelluster). In the right hands, and for the right application, it has a use.</p><p><br /></p><p>Blue Ribbon is useful on old raw coins, as a conserving agent. PCGS's Sniffer objects to it because it can be used to temporarily improve the look of a coin submitted for grading.</p><p><br /></p><p>VerdiCare does a pretty good job at arresting early verdigris. Better to treat it than let it corrode.</p><p><br /></p><p>I don't think CoinCare is good for much.</p><p><br /></p><p>Acetone is benign, and great at removing PVC and organic crud. But it will remove even the natural oils that build up on circulated coins and leave some looking very dried-out.</p><p><br /></p><p>Xylene is a thinner like acetone and many collectors of old copper use it to remove decades-old grime.</p><p><br /></p><p>But MS70 is evil, I think. JMO. I know others have different opinions. (Where's Doug when you need him?)</p><p>Lance.[/QUOTE]</p><p><br /></p>
[QUOTE="lkeigwin, post: 1598236, member: 30400"]Honestly, I don't like the stuff. There's a place for a coin dip like eZest (nee Jewelluster). In the right hands, and for the right application, it has a use. Blue Ribbon is useful on old raw coins, as a conserving agent. PCGS's Sniffer objects to it because it can be used to temporarily improve the look of a coin submitted for grading. VerdiCare does a pretty good job at arresting early verdigris. Better to treat it than let it corrode. I don't think CoinCare is good for much. Acetone is benign, and great at removing PVC and organic crud. But it will remove even the natural oils that build up on circulated coins and leave some looking very dried-out. Xylene is a thinner like acetone and many collectors of old copper use it to remove decades-old grime. But MS70 is evil, I think. JMO. I know others have different opinions. (Where's Doug when you need him?) Lance.[/QUOTE]
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