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<p>[QUOTE=&quot;John Anthony, post: 2655408, member: 42773&quot;]Hey folks, I looked through bagfuls of semi-cleaned LRB&#039;s at NYINC because that&#039;s what poor people do at NYINC: look through bags of cheap coins and eat at the hot dog cart on the corner of Park Avenue and 49th - I mean why would you spend your entire coin budget buying a sandwich at an actual restaurant on Park Avenue, right?</p><p><br /></p><p>Anyway, I looked through a few hundred LRB&#039;s, all with exactly the same mineral deposits, that evidently came from the same pot - at least that&#039;s what the dealer told me. A coin dealer wouldn&#039;t lie to you, would he? I fished out 8 worthy candidates for a cleaning.</p><p><br /></p><p>The first coin is actually quite rare, a Rome-only issue of Securitas standing next to a column. This design was used primarily for solidi, but they are also quite rare. The rest are pretty common, but the Crispus is scarce and the GLORIA EXERCITVS with emperor in military attire is also scarce, as is the VRBS ROMA/GLORIA mule.</p><p><br /></p><p>[ATTACH=full]588124[/ATTACH]</p><p><br /></p><p>In my opinion, these coins could use half of the deposits removed, so more of the detail would show throw. I&#039;ve spoken to some of you cleaning gurus that had good success with ammonia and/or mineral spirit soaks, so I thought I would try that - on the common coins first of course.</p><p><br /></p><p>But I thought I&#039;d ask the open forum for any and all advice. Do any of you have experience getting some of this mineral stuff off? Is there some sort of chemical solution I can use that will dissolve it? I&#039;d love to be able to soak the coins for a bit, then maybe just lightly brush them and be done with it. I don&#039;t want to remove it all - but I would like some of the dark patina to show through more.</p><p><br /></p><p>Thanks![/QUOTE]</p><p><br /></p>

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