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<p>[QUOTE=&quot;buddy16cat, post: 1468582, member: 37356&quot;]Do you mean that roosie thread?&nbsp; Actually that picture of the coin was when I already heavily cleaned it by soaking it in distilled water and acetone for several days.&nbsp; I probably should have took a picture of that before I cleaned it.&nbsp; The gunk covered a large portion of the reverse include the area of the mint mark. Now I see it is a 1949-P I have stopped cleaning it even though there is still gunk there.&nbsp; How do you remove thick gunk covering the mint mark without cleaning?&nbsp; Although maybe not done intentionally, carrying coins in your pocket does remove dirt.&nbsp; The 1949-P still has gunk but nowhere near what it had, it was at least 3 mm thick.[/QUOTE]</p><p><br /></p>

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