Need help with ID of this Eagle button.

[seatedhalf]

I can't seem to find this one on the manufacturers site. None of the eagles I saw matched this one. Can anybody help me? I know very little about buttons.

I assume its an Infantry coat button. What is approximate era?

 

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[Woodland Detectors]

Tice has this button listed as G1215A83 U.S Federal (Yankee) Infantry