WW1 US AEF 110th National Guard DUI Distinctive Uniform Insignia

The WW1 US AEF 110th National Guard Distinctive Unit Insignia (DUI) is an authentic piece of military history, representing the 110th Infantry Regiment that served as part of the American Expeditionary Forces during World War I. This insignia was designed to denote regimental affiliation on the uniform, enhancing unit cohesion and identification. The DUI typically features symbolic imagery associated with the 110th Infantry, often incorporating elements that reference the regiment’s heritage and service. Produced in metal, these insignia were worn on the lapels or collars of the service dress uniforms by enlisted men and officers alike. The 110th Infantry, originally part of the Pennsylvania National Guard, participated in key campaigns on the Western Front, making items like this insignia significant for collectors and historians interested in US military involvement in World War I. Each original piece reflects the design standards and manufacturing techniques of the era.