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Washing circulated silver coins with mild soap and water
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<p>[QUOTE="Robert91791, post: 3107649, member: 95853"]It does not. All debris gets wash away restoring luster that is covered by old debris. Read the quote from my previous thread. The metal composition of cu-ni is so hard that is must overcome its high and low resistivity pressure to cause damage. Now there is also some data on this. No YOU don't get it.[/QUOTE]</p><p><br /></p>
[QUOTE="Robert91791, post: 3107649, member: 95853"]It does not. All debris gets wash away restoring luster that is covered by old debris. Read the quote from my previous thread. The metal composition of cu-ni is so hard that is must overcome its high and low resistivity pressure to cause damage. Now there is also some data on this. No YOU don't get it.[/QUOTE]
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Washing circulated silver coins with mild soap and water
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