uniform button

I was too tired to post this last night so here it is now. I was out hunting a spot yesterday that despite having been written about as having a military path, I've had my doubts. Even with being doubtful and digging several lbs of junk, I keep returning because that's what we do, right? When...

Hey so I found this U.S. uniform button metal detecting around the house. I was wondering if anyone knew what kind of uniform it comes from? The eagle doesnt have a shield and has a crown above its head. Please help! Also there is no writing on the back because it rusted out.

BCP uniform button by Rosenfeld Bros. Rosenfeld Brothers operated out of shops on Baltimore St nr. Light, prior to 1900.This button was found beneath an oak tree in Wyman Park, an area I had hunted many times prior, but on my last hunt there in January 2015, the button surfaced. I have not...