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<p>[QUOTE=&quot;medoraman, post: 1265324, member: 26302&quot;]I would say a spot like that is always a negative. Whether it can be removed will depend on the toning. If its glossy black then chances are good it can be removed with minimum harm to the coin. If its matte, or flat chalky, black, then it will most likely be hiding surface corrosion. In that case its best to remove it, but the coin will forever be damaged. I would remove it either way, since the glossy black can turn into matte black. </p><p><br /></p><p>People think dipping was always done to make a coin white. The truth is a lot of it was done to coins like this to remove black spots and the like, to help conserve the coin. Dipping was not all bad.</p><p><br /></p><p>Chris[/QUOTE]</p><p><br /></p>

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