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Found a collection from the 50s
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<p>[QUOTE="drcurious, post: 569860, member: 16893"]Acetone is a very common solvent. Try your hardware store, farm store, Wal-Mart, paint store, just about anywhere. A quart is about $3-4. Use with much ventilation. I find ammonia to be another excellent cleaner for silver coins. Use with caution and ventilation, but it generally will not hurt silver and it can turn a grungy higher grade coin into a lustrous beauty. Also, it cleans up dirty lower grade coins nicely without taking their original toning away. Practice on cheap coins, a LOT, before attempting chemical cleaning of a good coin. Be careful with copper-nickel coins, like nickels, as they will pit fairly fast in ammonia. BUT, a short dip can work wonders. I bought some grungy looking V Nickels for nearly nothing ($5-10 each) at an estate auction, and after a quck swim in the ammonia bath they showed their true nature as lustrous mint state beauties that brought $75 to $300 each![/QUOTE]</p><p><br /></p>
[QUOTE="drcurious, post: 569860, member: 16893"]Acetone is a very common solvent. Try your hardware store, farm store, Wal-Mart, paint store, just about anywhere. A quart is about $3-4. Use with much ventilation. I find ammonia to be another excellent cleaner for silver coins. Use with caution and ventilation, but it generally will not hurt silver and it can turn a grungy higher grade coin into a lustrous beauty. Also, it cleans up dirty lower grade coins nicely without taking their original toning away. Practice on cheap coins, a LOT, before attempting chemical cleaning of a good coin. Be careful with copper-nickel coins, like nickels, as they will pit fairly fast in ammonia. BUT, a short dip can work wonders. I bought some grungy looking V Nickels for nearly nothing ($5-10 each) at an estate auction, and after a quck swim in the ammonia bath they showed their true nature as lustrous mint state beauties that brought $75 to $300 each![/QUOTE]
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