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<p>[QUOTE=&quot;dougsmit, post: 2278469, member: 19463&quot;]IMHO ancients pay a lot more attention to what I would call common sense in grading or pricing.&nbsp; All coins are cleaned so the amount of value change due to cleaning depends on whether the coin is better looking or made ugly by the cleaning.&nbsp; Most people would rather have a VF with good cleaning than an EF that has been butchered or a F that spent the last 2000 years in a sealed jar that protected it 100% (almost never happens).&nbsp; Corrosion can be minor or even look good (we call that patina) so the effect is minor or it can be just plain ugly and remove 99% of a coin&#039;s value.&nbsp; Usually we each weigh the various factors like wear, centering, strike and corrosion and decide whether the coin is one we like or one we don&#039;t. Those who like coins more and are willing to pay more buy more.&nbsp; Those of us who want better, want cheaper or have a limited budget spend less.</p><p><br /></p><p>Below are two Roman coins of the same type - Caligula copper &#039;as&#039; (1/16th denarius) Vesta seated reverse. One has more wear, smoother surfaces and a green patina.&nbsp; The other is at least a whole grade less worn but is corroded and brown.&nbsp; Which coin do you want?&nbsp; &#039;Neither&#039; is an option just as is &#039;both&#039;. If both, which would you pay more for?&nbsp; How much more?</p><p><br /></p><p>[ATTACH=full]455037[/ATTACH] [ATTACH=full]455038[/ATTACH][/QUOTE]</p><p><br /></p>

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