Gules, a griffin's head erased Or, langued Azure, in dexter chief a fleur-de-lis of the second.
That for the regiments and separate battalions of the Army Reserve: On a wreath of the colors (Or and Gules) the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor) stands on the Common in Lexington, Massachusetts.
QUOD FACIO, VALDE FACIO (What I Do, I Do Well).
The shield is red for Artillery, the original designation of the unit. The griffin symbolizes a valiant hero, who rather than yield to his enemy, exposes himself to the worst of dangers. The fleur-de-lis indicates World War I service.
The crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 326th Field Artillery, Organized Reserve on 7 May 1937. It was redesignated for the 326th Field Artillery Battalion, Organized Reserve on 10 October 1942. The insignia was redesignated on 19 August 1960, for the 84th Regiment, Army Reserve.