The WWI U.S. Army 156th Artillery Regiment Officer Branch Insignia is an original period item from the United States, specifically representing the military component of the era. This insignia, likely a medal or pin, would have been worn by officers within the 156th Artillery Regiment during World War I. With a theme focused on militaria, this collectible piece would be a tangible connection to the historical significance of the conflict and the soldiers who served in the U.S. Army during this time.