Need help identifying a button

[BenVa68]

I dug this at a new permission yesterday along with a lot of Civil war items. I've never dug a button like this. Does anyone know what it might be?

 

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[A2coins]

Cool find I looked couldnt Id it

 

[CRUSADER]

Civvy, circa 1800 give or take.

 

[ANTIQUARIAN]

Cru hit the nail on the head with his assessment of your button find Ben.
I find quite a few of these 'domed buttons' on War of 1812 Land Grant sites here in the east.
Your find is earlier then the buttons I found below which date to c1812.

Nice find,
Dave