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<p>[QUOTE=&quot;desertgem, post: 610829, member: 15199&quot;]I would use plentiful water rinse with no sodium bicarbonate. Any dip solution is readily water soluble. I prefer to then use a quick rinse with acetone, holding the coin vertical until the acetone runs off and evaporates, and then put the coin&nbsp; into a protective holder.</p><p><br /></p><p><b>Be aware that using a dip you remove the protective patina and the silver is in its most active state, and often a corresponding change in a short period is blamed on the dip or rinse, when actually it is the fault of the holder not protecting against environmental factors.</b></p><p><b><br /></b></p><p><b>Jim</b></p><p><b></b>[/QUOTE]</p><p><br /></p>

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