WWI U.S. Army 4th Infantry Division Shoulder Sleeve Insignia

Original WWI US Army Shoulder Sleeve Insignia (SSI) for the 4th Infantry Division, featuring green four-leaf cross design worn by members of the division during WWI. 

Era: WWI (1917-1919)

Branch: U.S. Army

Unit: 4th Infantry Division 

Type: Shoulder Sleeve Insignia (SSI) 

Material: Wool/Felt

Condition: Fair, with heavy age-related wear

Authenticity: Original period piece