Any experience removing spot on copper cent?

Anybody know, or have sudgestions how I can remove this spot from copper cent? without it being called a cleaned coin, its still in cello from mint, have no problem removing it. thanks its from a 1970 set the p does not have this, this coin has several small spots that being the biggest.

 

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You can't fix most spots like this on copper. You can lighten them a bit but it will most likely still be visible.

 

Thanks, Its not that good of a strike anyway. great color without a microscope.

 

Once copper gets a spot it's there forever.