1858 Pattern, Enlisted, ca. 1858 - 1872 Civil War Hardee Hat Eagle Insignia. used to pin up on the side of a felt dress hat.
Die struck brass with a nice patina. Reverse has both wires for attachment to hat.
For reference: American Military Headgear Insignia, J. Duncan Campbell, Michael J. O'Donnell Authors. Page 211, figure 506.
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