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<p>[QUOTE=&quot;imrich, post: 1881182, member: 22331&quot;]&quot;Don&#039;t they conserve coins? What is the difference between conserving and cleaning? Quote</p><p>Conserving generally is a SUCCESSFUL partial surface alteration to suspend or reverse objectionable conditions, where cleaning may be as simple as a &quot;dip&quot;, or as extensive a process as micro particle (e.g. vapor honing) sand blasting, often detectable and destructive.</p><p>The process of conservation, can be very complicated/, time-consuming, and generally proprietary because individuals wanting to &quot;clean&quot; generally desire a simple process as dipping to be equally applicable to all metals. One who understands the intricacies of a specific coin design, and the science of metallurgy, may realize the adversities. Proper conservation may require numerous processes to successfully partially reverse, or suspend objectionable surface deterioration.</p><p>A general suggestion is that &quot;conservation&quot; is not recommended for an unenlightened &quot;lay-person&quot;.</p><p>JMHO[/QUOTE]</p><p><br /></p>

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