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Message:: [QUOTE="GDJMSP, post: 2247655, member: 112"]It's certainly quite possible that the black is the remains of what was not dipped away, if that is what you mean by dip residue. In other words the coin was mostly toned black, then it was dipped, but the black we see now merely did not come off. I say that for the sake of clarity because dip residue is an entirely different animal. Dip residue is what happens when toning (or in some cases foreign material) on the coin is dissolved in the dip, and then when the coin is lifted out of the dip some of that dirty solution, tiny particles dissolved in the dip in other words, sticks to the coin which is then allowed to dry in its present condition. This (dip residue) creates a much, much, different look than what this coin has now. Dip residue is the result of a coin being improperly dipped, not rinsed as it should have been. It is not stuff that just didn't come off. Of course it also equally possible that the dark areas, areas because they are much too large (most of them anyway) to be called spots in my opinion, are the result of some foreign material getting on the coin. If it is then what the coin needs is to be dipped. People need to realize that dipping a coin is not the "evil" thing that some think it to be. In many, if not most cases, dipping a coin is a good thing, a needed thing, for it prevents further damage to the coin by whatever is on it. Dipping, when done properly, is like medicine for sick coins.[/QUOTE]