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<p>[QUOTE=&quot;johnmilton, post: 8665977, member: 101855&quot;]No, some of the old time envelopes imparted very good, very bad or middling toning on silver and copper coins. I “fixed” some copper coins that had been cleaned (without hairlines) or dipped by storing them in those envelopes. It did take three years or more to work, however.[/QUOTE]</p><p><br /></p>

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