Awesome (Hat Badge?) from a river bank today

[riverdiver]

I was detecting the banks of the Sugar River in Claremont NH today when this popped out from a foot down, I thought it might be a hat badge but no luck so far, any help is greatly appreciated. Btw it measures 4-1/2" long x 2-3/4" wide.

 

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[Subterranean]

May be a frame for a cameo or photograph, but certainly it is old, congrats! Sub

 

[2Minnesota]

Looks like an old mini photo or mirror frame. . Wonder what else is out there?

 

[digging440yrs]

COOL FIND !!

 

[CoinandRelicMan]

Nice oldies frame there !