Sorry to post again, but here is a better pic of the unknown copper thing
Crap, I'm such a dummy sometimes. It's an auto lamp bulb receptacle/socket. Flattened out for some reason. Probably from an old model car external headlamp. You found it near a road I'd bet!
ODF
I was actually about 30 yards from the road in a big acre size lot. The new firewall is there and township building. Thanks for the input guys. I believe that's what it is too.