I think you should call it a 1951-D 1/S! Looks clear to me, but I'm looking with 75-year-old eyeballs so you can take that for what it's worth.
You need to read what chemist Weimar White has to say about toning. Paraphrasing, he says that toning on a coin is like rust on a pipe, structural...
I was going to say that it looks cleaned, but I'm persuaded by the Chinese fake example.
I would call it a semikey at best. To me, the keys were 1909-S, S VDB, 14-D, and 31-S.
65 BN on the OP's coin.
It looks like a harshly cleaned overmintmark (D/D) to me.
Picture of the reverse?
Look like ordinary circulated cents, not pennies, to me.
60 or 61. Pretty chewed up and ugly IMO.
AU50
By the way, I guessed 63FB before I saw the answer. Don't know how that happened, as the answer was right above my guess.
63FB. From your pictures, it looks pretty bad but sharp strike.
XF40, with obverse rim damage at 5:00.
F12 cleaned
au50, harshly cleaned
AU50, cleaned
Cleaning in any form will make it look less appealing than it now looks.
58
Nice coin. MS65 is my guess.
I bought three copper rounds on a trip my wife and I took to Alaska recently. I had never seen them before, and some of them had designs...
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