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<p>[QUOTE="Kentucky, post: 3101700, member: 33176"]The main thing to remember about cleaning modern (after 1500 or so) coins is that you don't want to rub the surface in general. Rubbing can cause scratches and the newer the coin is, the more detrimental to it's value it is. That being said, using harsh chemicals (acids and bases) on the coins can also affect the surface. What we are left with is soaking. Water, acetone, alcohol and xylene are all used in some cases. Other than this, seek out help for specific cases.[/QUOTE]</p><p><br /></p>
[QUOTE="Kentucky, post: 3101700, member: 33176"]The main thing to remember about cleaning modern (after 1500 or so) coins is that you don't want to rub the surface in general. Rubbing can cause scratches and the newer the coin is, the more detrimental to it's value it is. That being said, using harsh chemicals (acids and bases) on the coins can also affect the surface. What we are left with is soaking. Water, acetone, alcohol and xylene are all used in some cases. Other than this, seek out help for specific cases.[/QUOTE]
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