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<p>[QUOTE=&quot;TypeCoin971793, post: 2776879, member: 78244&quot;]PCGS:</p><p><br /></p><p>&quot;<b>cleaned:</b> a coin that has dirt or toning removed with a cleaning agent.&nbsp; Cleaning ranges from light to severe, depending on what is used to clean the coin.&nbsp; Cleaning may disqualify a coin from being certified.&nbsp; TIP: leave cleaning to the professionals, as cleaning generally lowers the collector value of a coin.&quot;</p><p><br /></p><p>&quot;<b>dip:</b> to clean a coin in a chemical bath to remove toning.&quot;</p><p><br /></p><p>John-E Cash</p><p><br /></p><p><b>&quot;cleaning</b></p><p>Any procedure that removes corrosion, unattractive toning, etc. such as dipping or rubbing with abrasive materials.</p><p><br /></p><p><b>cleaned coin</b></p><p>A coin which has been dipped, polished, whizzed, wiped, etc. Generally speaking, a certain amount of very light cleaning (such as dipping) done by a professional may be acceptable.&quot;</p><p><br /></p><p>&quot;<b>dipping</b></p><p>A form of cleaning by immersion in a liquid which is capable of causing molecular changes in the surface (with the intent of providing a more appealing look).&quot;</p><p><br /></p><p>There appears to not just be one consistent definition of &quot;cleaned.&quot; Some fit my definition, some kinda fit yours.[/QUOTE]</p><p><br /></p>

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