That is a really nice 1980s Zincoln, the vast majority of them are plagued by split plating, plating bubbles, and carbon spots.
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There appears to be wear on the lower edge of Lincoln's jacket.
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Are those scuff marks or just the reflection, on the obverse, at the bottom of Lincoln's jacket?
If the coin was worn, it would most definitely not be a full Red coin, it would be at least RB if not full Brown. The "scuff marks" are the original surfaces of the planchet, this coin was slightly weakly struck and there is also a flat spot in the hair as well indicating a weak strike.
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I think that the plating has been stressed inside the rim, when the blank was being rimmed to convert it into a planchet.
The ridge is a form of die wear inherent to the Zincoln issues.