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<p>[QUOTE=&quot;Cringely, post: 1341633, member: 22271&quot;]<span style="color: #222222"><font face="Times"><font face="verdana"><font size="2">NCS will&nbsp; return a coin untouched. This has happened to me on more than one occasion. In one case, I sent in a CuNi 3¢ PR-55 (ANACS) that had a dull surface. It was returned still slabbed with the comment that, in NCS&#039;s opinion, conservation would not improve the coin. Yes, I was disappointed that I didn&#039;t get a highly reflective proof back, but thankful that things weren&#039;t made worse.</font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2"><br /></font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2">As far as removing organic material, a simple acetone wash should suffice. There are other organic solvents that can also be used. Weimar White&#039;s <u>Coin Chemistry</u> really doesn&#039;t address acetone, but those interested in relatively benign cleaning methods should take a look at his book. My personal opinion is that, it you buy a coin that has organic residue on it, you consider isopropyl alcohol, ethanol or acetone. These solvents will not damage the underlying metal (affecting luster).</font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2"><br /></font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2">If you plan on submitting the coin for conservation and/or grading, you let the seller know at the time of purchase (or within a short time period). That establishes a paper trail that should allow you to return the coin after the usual 30-day return period has expired. A week after purchasing a 1795 small eagle dollar at a local coin show (San Diego&#039;s Coinarama), I notified the dealer I was sending it to PCGS. Three months later (sell past the 30-day period), it came back from PCGS &quot;questionable authenticity&quot; (PCGS-speak for counterfeit). Because I had notified the dealer within his 30-day period that I was submitting the coin for grading, I had a very strong case for—in case he balked at—returning the $2,000+ I had paid for the coin (the dealer was quite reputable and not only immediately returned my money, but paid the $75 grading fee—I never had to make any legal threats).</font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2"><br /></font></font></font></span></p><p><span style="color: #222222"><font face="Times"><font face="verdana"><font size="2">While my situation was much more cut and dry (counterfeit vs. artificially toned) than Marbury518&#039;s, if there are concerns, let the seller know what you plan to do with his coin as that may give you some recourse should problems arise.</font></font></font></span>[/QUOTE]</p><p><br /></p>

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