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<p>[QUOTE=&quot;doug5353, post: 2128045, member: 73555&quot;]So Jwt, it is at least theoretically possible that COPPER prevents milk spots, since the only silver proof coin for which <u>dipping** doesn&#039;t remove them</u>, is a coin made of 100% silver.&nbsp; Now I would like to soak a milk-spotted coin in copper sulfate solution of various strengths to see what happens.</p><p><br /></p><p>edit///</p><p>**this point subject to the requested proof of this assertion...[/QUOTE]</p><p><br /></p>

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