if it is a sharpie it can come off with some rubbing alcohol. But i dont know if that is considered cleaning a coin.
What is an RPM??? Sry Trying to learn more about errors.
I have a wheat cent with the same type of error except its a 1954D or 1954S. Mint mark is hard to tell. Anyways it is thin, it is thiner then a...
Separate names with a comma.