17th Infantry Unit Crest (Each) 1stlt 4th Infantry Division Challenge Coin

4th Infantry Division Challenge Coin

4th Infantry Division OCP Patch with Hook Fastener (pair)

Army Transportation Regimental Crest Pin-On (each)

US Army Judge Advocate General Regimental Crest

17th Infantry Unit Crest (Each) 1stlt 4th Infantry Division Challenge CoinA distinctive unit insignia (DUI) is a metallic heraldic badge or device worn by soldiers in the United States Army. The DUI design is derived from the coat of arms authorized for a unit. DUIs may also be called "distinctive insignia" (DI) or, imprecisely, a "crest" or a "unit crest" by soldiers or collectors. The U. S. Army Institute of Heraldry is responsible for the design, development and authorization of all DUIs. Distinctive unit insignia (DUI)