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<p>[QUOTE=&quot;900fine, post: 770722, member: 6036&quot;]Yes. Which begs the question - where does one draw the line ? What is unacceptable harsh cleaning ?</p><p>&nbsp;</p><p>As with so many things in numismatics, there is no &quot;hard science&quot; law or universally accepted definition. Cleaning is a continuum, a sliding scale. What is acceptable for one is unacceptable to someone else.</p><p>&nbsp;</p><p>The key is to learn to evaluate surfaces and luster, then decide on a case-by-case, coin-by-coin basis.[/QUOTE]</p><p><br /></p>

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