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<p>[QUOTE="coinage86, post: 188790, member: 7584"]I could be wrong. but a cleaning agent very often is abrasive. so a coin will often look cloudy from harsh rubbing. of course more sophisticated coin cleaners try to dip their coins. What I did read on this web-site in another message thread is the dips do NOT always work well. Some dips leave residue that is undetected at first, but then the "dry" coin starts developing spots. The grading companies will indicate on the label in the slab if a coin has been cleaned, in their opinion. the MS grades will show a nice smooth shiny polished surface on the flat layers around the relief. if you do not have those shiny polished appearances, its a cleaned coin. whether its actually been cleaned or not, is it really important? does a cleaned coin grade less than a circulated coin that would show the same appearance from circulation? somebody else answer that for me?</p><p>now i dont know if gold coins are often cleaned. But what im seeing with gold coins, is the grading companies allow a lot more wear on gold coins, than a morgan dollar for example. It could be because the gold is a softer metal and prone to larger nicks and scratches.[/QUOTE]</p><p><br /></p>
[QUOTE="coinage86, post: 188790, member: 7584"]I could be wrong. but a cleaning agent very often is abrasive. so a coin will often look cloudy from harsh rubbing. of course more sophisticated coin cleaners try to dip their coins. What I did read on this web-site in another message thread is the dips do NOT always work well. Some dips leave residue that is undetected at first, but then the "dry" coin starts developing spots. The grading companies will indicate on the label in the slab if a coin has been cleaned, in their opinion. the MS grades will show a nice smooth shiny polished surface on the flat layers around the relief. if you do not have those shiny polished appearances, its a cleaned coin. whether its actually been cleaned or not, is it really important? does a cleaned coin grade less than a circulated coin that would show the same appearance from circulation? somebody else answer that for me? now i dont know if gold coins are often cleaned. But what im seeing with gold coins, is the grading companies allow a lot more wear on gold coins, than a morgan dollar for example. It could be because the gold is a softer metal and prone to larger nicks and scratches.[/QUOTE]
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