Tiny Parallel Scratches Sign Of Cleaned Coin?

Those are scratches that were on the die, no the coin itself. Notice how the lines stop at the edge of the devices? Hairlines from cleaning would have a small pause at the edge of the devices and then continue on top of the devices as well whereas die polishing lines will only affect the fields in most cases. Die polishing lines are also in relief on the coin while hairlines are scratches in the coin's surface. This die most likely received an aggressive abrading/polishing to remove strong clash marks.

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