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<p>[QUOTE=&quot;cpm9ball, post: 2249661, member: 24633&quot;]It is easier to spot coins that have been improperly cleaned from an in-hand inspection than it is from photos of raw coins. In my opinion, the primary giveaway of improper cleaning is the absence of luster. Yes, there are other forms of improper cleaning which can often be identified from hairlines, whizzing, etc. but the lack of luster can be much harder to detect. The cartwheel effect of luster can be washed out easily in photos from too much or too little light. This is one reason why I don&#039;t trust scanned images because the scan floods the coin with light. When examining a coin in hand, if the cartwheel luster isn&#039;t visible, then it is very likely that it has been improperly cleaned. For example, if a coin has been over-dipped using acetone, the surface metal of the coin is disturbed which negates the luster.</p><p><br /></p><p>Chris[/QUOTE]</p><p><br /></p>

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