United States National Army collar disk insignia for an enlisted man

Source catalog description

This description refers to material held by Smithsonian National Museum of African American History and Culture. Visual details below describe the original material.

A 1917 United States National Army (USNA) enlisted men's collar disk. The bronze disk features the USNA device embossed at the center and arranged in a monogram style with the [U] and the [S] on the far left and right respectively, and the large [N] superimposed over the large [A] at the center. The letter [A] has a chevron crossbar. The letters feature a mix of both level and oblique serifs at the cap and baseline. The disk has a plain, thin, embossed band around the rim, a smooth edge, and a background pattern of regularly arranged, small, embossed diamonds. There are black paint remnants on the front surface and edge. On the back of the disk is a threaded screw post at the center, between two triangular, fabric gripping prongs. Fastened to the post is a bronze thumbscrew nut for attachment through a sewn grommet hole in a shirt collar.

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