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Which is worse corrosion or cleaning?
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<p>[QUOTE="satootoko, post: 100438, member: 669"]That's completely in your hands. If you follow Speedy's instructions, and <i>totally</i>avoid rubbing the coin, there should be no effect on the metal. Of course, if the PVC corrosion has already started, removing the green gunk may reveal metal damage, which will lower the value; but if you don't get it off of there the coin will eventually become completely worthless.</p><p><br /></p><p>I would supplement Speedy's advice by recommending distilled or deionized water for the rinses (at least two, and three is better) to get all traces of the acetone off the coin.</p><p><br /></p><p>BTW did you become an Edgar Rice Burroughs fan by reading the original pulp magazines stories? There were some great covers on those rags in the '30s, portraying the lovely Princesses in peril.<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="satootoko, post: 100438, member: 669"]That's completely in your hands. If you follow Speedy's instructions, and [i]totally[/i]avoid rubbing the coin, there should be no effect on the metal. Of course, if the PVC corrosion has already started, removing the green gunk may reveal metal damage, which will lower the value; but if you don't get it off of there the coin will eventually become completely worthless. I would supplement Speedy's advice by recommending distilled or deionized water for the rinses (at least two, and three is better) to get all traces of the acetone off the coin. BTW did you become an Edgar Rice Burroughs fan by reading the original pulp magazines stories? There were some great covers on those rags in the '30s, portraying the lovely Princesses in peril.:D[/QUOTE]
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Which is worse corrosion or cleaning?
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