Clearly a Philly minted cent. I echo what @green18 asked and wonder what made you think it was a proof? The edge on the left side?
It's a nice business strike and not a proof. Philadelphia mint. What made you think it was a proof, if I may ask.
Sure ask away. I thought the field was flat all the way to the rim, then went up at a 90 degree angle. Then made a 90 degree to form the edge. For the life of me I can't seem to " get it " when it comes to determining a proof.
Months ago I submitted pics of a 1977 s lmc and didn't even recognize it as a proof. Several people told me it was a proof. I compare it to every coin I suspect as a proof, yet I remain BAFFLED !
These are proofs. It is very easy to tell between a business strike and a proof, even when they are circulated. Once you find one in the wild, you'll know
I really do try to " edumacate", myself before posting, but when you have an dumb a** for a teacher.....well
The rims.....always check the rims. They should be cleanly squared and wire edged. Your example lacks that characteristic. Also, the fields on the coin should be 'mirrored' and that would be evident even on an circulated (impaired) proof coin.
Eh, you'll figure it out sooner or later if you stick around here and keep and open mind and are willing to take a ribbing or two. We will mess with you but it is all in good fun and most here are more than willing to help.
And yes I looked at the edge and it seemed squared. And felt maybe the mirror finish was worn down from being in circulation. Those pics you posted really should clear it up, thanx much.
I was poking fun at myself. Hope I did not offend any one. I am not a teacher of any thing. I wanted to be a stand up comic but was afraid every body would just laugh at me !