I've highlighted some lines found on the Rev of the coin. They appear to have been there before it was struck as they don't go through the design. I had 3 of the same year and mint today and others do not have this marking. Hope The pics are ok. I don't have a good set up for lighting, etc.
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Adding two images one with and another of a coin without scratch/error for those who wanted more pics to look at the chin. I agree the one with the 'scratch' looks different but the coin is more damaged than the one in the other picture.
Adding two images one with and another of a coin without scratch/error for those who wanted more pics to look at the chin. I agree the one with the 'scratch' looks different but the coin is more damaged than the one in the other picture.