It has already been 'cleaned' in the past, someone removed corrosion (not all) and that is why you see the pitting on Obverse at 4-5. Little value in that condition so, I agree with John1. Have at it.
I swing a metal detector and have a knack for finding dirty old coins.
Dirt coin restoration projects - https://www.prodetecting.com/restorations
Dirt coin restoration blog - https://www.prodetecting.com/blog/ccaw
Dirt coin dig videos - https://www.youtube.com/@prodetecting
Dirt coin restoration projects - https://www.prodetecting.com/restorations
Dirt coin restoration blog - https://www.prodetecting.com/blog/ccaw
Dirt coin dig videos - https://www.youtube.com/@prodetecting























