Figure on strange shaped piece of metal?

[Dirty Knees McGee]

I found this in the Boston area.? After nearly throwing this strange piece of metal out as trash, I decided to soak it in olive oil.? After soaking, it appears that there is a worn figure in the middle of it.? The piece is less than the size of a nickel.? I am not sure about what type of metal it is (copper based?).? ?

I am posting four pictures.? The first is in color, the second is adjusted in black and white, and the third is a slightly different angle.? After trying to adjust sizes, colors, etc... I still have gotten nowhere.? The backside (fourth picture) is really rough and appears to have a very small letter "P" next to an edge.? These were the best pictures I could get with my digital.

Please help!!!

 

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[omnicognic]

The third pic really shows it well, I can see the nose mouth cheekbones etc. I have no idea what it could be! It's really cool though! HH omnicognic 8)

 

[Dirty Knees McGee]

I think that I might let this piece soak for a long duration. If you guys have any ideas what it is, leave a reply. If it looks like I can get better picts up, I'll post them.