I have read that grease filled dies are mint errors and are worth some value. I don't plan on selling it though.
Sir, In all due respect I have to agree with mark_h. This is clearly a grease - filled die, and it may be worth a modest premium to the right collector.
oof. Trick questions. My poor brain... Anyway, congrats on finding this coin. You've got a good eye, bro.
Ahh, I think I see what you mean. The proper term is cent, but the hideous "penny" slang term was adopted by Americans for who knows what reason. The "penny" is the term for the English one penny coin.
Yea, I know the words are really synonymous @xGAJx, just a personal pet peeve so I often will ask when the US started producing pennies. There's another thread going on with the same thing going on. Gotta go ask my question.