State seal button

[MackDog]

Hi was metal detecting Spokane early park. Found what I think is a state seal button. Has 14 stars above a eagle with a shield. Under shield says excelsior. Any help would be greatly appreciated

 

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[invent4hir]

Hi, cool button. The pictures appear fuzzy. Please re-take w/ focus on the button next to a size reference. Also take a photo of the reverse. With that someone will probably ID.

 

[paleomaxx]

New York State staff officer's button. Is the backmark visible?

 

[MackDog]

No back mark thanks for the info. Surplus Civil war uniforms were shipped to the Northwest forts after the war