Forgot to comment on one more thing. You stated "...including between the lugs which indicates there was rust there before."
How on earth can you know if there was rust there before and that was the reason it was polished? I dont see any indication of pitting or any possible way to know if:
A. it was ever polished
B. If it was what was the reason for doing so
To state that is was definitively polished to remove rust is absurd. Are you a psychic?
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