c.1910s Numeric "55", Brass Military C-Clasp Hat / Lapel / Collar Pin 3/8"H

c.1910s Numeric "55", 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 55th Infantry Regiment was constituted on May 15, 1917, in the Regular Army and organized on June 16, 1917, at Chickamauga Park, Georgia, from personnel of the 17th Infantry. It was assigned to the 7th Infantry Division on November 16, 1917. The regiment was inactivated on September 22, 1921, at Camp Meade, Maryland, and disbanded on July 31, 1922