c.1910s Numeric "58", Brass Military C-Clasp Hat / Lapel / Collar Pin 3/8"H

c.1910s Numeric "58", Brass Military C-Clasp Hat / Lapel / Collar Pin 3/8"H 3/8"H x 3/4"W A pin for Lapel / Hat / Collar All photos shown were taken by our staff WWI Era with a "C-clasp" with a T-bar hinge which typically indicates a late 19th century to early 20th century origin. The pin is thicker than what you see made today in order to go through the thicker materials of the time. Military collar pins are small insignia worn on the collars of military uniforms to denote rank, unit, or branch of service. They come in various designs and styles, each representing different aspects of military service. The 58th Infantry Regiment was constituted on May 15, 1917, in the Regular Army and organized on June 5, 1917, at Gettysburg National Park, Pennsylvania, from personnel of the 4th Infantry Regiment. The regiment saw its first combat service in World War I, participating in the Aisne-Marne, St. Mihiel, and Meuse-Argonne offensives