I have some pennies that have no mint mark. There's no evidence that there was even supposed to be one and they're from like 74, 64 and 96. Any ideas?
If they are U.S. coins, they are normal and were minted in Philadelphia. Philadelphia cents don't have mint marks.
Yep, all US cents minted in Philadelphia were struck without a mintmark, so I am sorry to say you have some normal coins. Keep up the hunt!
hehehehe, now that I know better that eliminates a good chunk of them but I still have some good ones