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<p>[QUOTE=&quot;johnmilton, post: 3440939, member: 101855&quot;]Unfortunately the type of toning that you have on your nickel is corrosion. When copper-nickel coins go bad they often turn black or brown. They can rarely have green spots. As such, you coin cannot get a straight grade.</p><p><br /></p><p><br /></p><p><br /></p><p>As silver tones, black is the terminal color. You can get a &quot;no grade&quot; for solid black toning.</p><p><br /></p><p>It sounds to me that you certifed coin may have been dipped and not properly rinsed before it was sent in for grading. If that&#039;s the case, the black spotting probably formed after the piece was sealed in the slab.</p><p><br /></p><p>Without looking at it, I can&#039;t tell you if you might have a case to send it to the grading service for an adjustment. I had such a situation years ago with a PCGS coin. They took it back, dipped it and returned to me in the holder. Given its history I didn&#039;t want to keep it, so I sold and replaced it.</p><p><br /></p><p>Your dislike of the black toning on silver is well founded. Most collectors don&#039;t care for it.[/QUOTE]</p><p><br /></p>

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