I have quite a few silver dimes and this one kinda stuck out. This is a 1964 P silver dime and am baffled as to what caused this. Roller marks? Die abrasion? Insight needed please.
The toning pattern just reflects the surface that the coin was resting on while the toning happened. The raised lines would be die scratches/abrasions. Just happenstance that the toning and die disturbance follow in the same general direction.
Dang! I was hoping someone would have said this was a prototype Die! I can see that it is toning to a degree but I don't think it was from a fingerprint, the lines are too straight and there are raised lines where the toning has taken place. Think I'll soak it and see what's underneath.
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