Can someone please take a look and give an idea of how much those marks on the coin can devalue it, probably to 0, but does not hurt to ask. I am not even asking, is there a way to clean it, that's probably even a worse idea. thanks.
I am no expert, but it looks like it to me. The separation between the 'A M' and the close FG. Nice find if it is! I'll let the experts around here confirm for sure.
I am almost convinced (99.9% certain) the bottom photo is a Proof Reverse which would be a WAM. A close up of the FG would make it conclusive. And I believe that spot is carbon. It can not be cleaned without ruining the coin but it can be preserved with Verdicare. Verdicare I believe would remove the carbon, but you would still have a discolored spot there, and insure the spot doesn't grow.
It is a Wide AM. The "M" is centered. It is not a proof reverse, just the Wide AM hubbing on the die. The bluing is a distraction though. Not sure what causes this. I've seen this before on zincolns. It seems to work from a focal point in the center.
On the 1956-1964 nickels this happened. They were called type "B" reverses. The design is the same as a proof die because they were retired proof dies.
In the case of the 1998-2000 cents, they used the wrong hubs to create the dies for the business strike and proof issues of the 1998-S and 1999-S with the close AMs reverse.
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