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<blockquote data-quote="Keen Ken" data-source="post: 216260" data-attributes="member: 211"><p>Hi Ramjet, </p><p>good idea to clean bulk coins.</p><p>To get rid of the corrosion use a few teaspoons of salt and 1/2 cup of vinegar in about a 1/2 cup of water. </p><p>Separate the nickle, copper and gold coloured coins and place them in separate containers over night. Some nickle and copper may need longer, goldies may take less time.</p><p>Also works on old silver coins for the grime and green oxide but won't remove the black sulphide, you need a "silver dip" solution for that but some collectors advise against messing with the patina on the silver coins.</p></blockquote><p></p>
[QUOTE="Keen Ken, post: 216260, member: 211"] Hi Ramjet, good idea to clean bulk coins. To get rid of the corrosion use a few teaspoons of salt and 1/2 cup of vinegar in about a 1/2 cup of water. Separate the nickle, copper and gold coloured coins and place them in separate containers over night. Some nickle and copper may need longer, goldies may take less time. Also works on old silver coins for the grime and green oxide but won't remove the black sulphide, you need a "silver dip" solution for that but some collectors advise against messing with the patina on the silver coins. [/QUOTE]
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