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<p>[QUOTE="coop, post: 936755, member: 17656"]Keep in mind that what you do to a coin can ruin it's future collect ability. Best to hold off till you know what to do. Experiment on coins that are the same denomination from circulation first. Then you will see which direction to go. Some have different suggestions on how to clean/ruin a coin. So I would hold off till you know what you are doing first. I've seen some coin cleaned by conservation sources that didn't really make the coin a step up. Many a coin has been ruined with acid based cleaners/baking powder/comet/pencil erasers/solvents that scratch/turn them an un natural color/flake off the outer skin of blackened coins/strip on the out side layer of the coin and just make them fit for circulation. Best not to clean them. The grade will stay the same. If you clean them they will drop a few grades or render a coin to a state where graders would even grade them. The ball is in your court.[/QUOTE]</p><p><br /></p>
[QUOTE="coop, post: 936755, member: 17656"]Keep in mind that what you do to a coin can ruin it's future collect ability. Best to hold off till you know what to do. Experiment on coins that are the same denomination from circulation first. Then you will see which direction to go. Some have different suggestions on how to clean/ruin a coin. So I would hold off till you know what you are doing first. I've seen some coin cleaned by conservation sources that didn't really make the coin a step up. Many a coin has been ruined with acid based cleaners/baking powder/comet/pencil erasers/solvents that scratch/turn them an un natural color/flake off the outer skin of blackened coins/strip on the out side layer of the coin and just make them fit for circulation. Best not to clean them. The grade will stay the same. If you clean them they will drop a few grades or render a coin to a state where graders would even grade them. The ball is in your court.[/QUOTE]
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