Every infantry or armored Division had its own insignia. The 1st Canadian Army Group Royal Artillery were part of the First Canadian Army.
diamond shaped formation patches, each about 2 1/2" high by 2 7/8" across, consisting of a redcanvas background with a 3/4" wide blue felt horizontal strip printed across the center. Printed to the center of the blue strip is a red zig-zag to indicate Artillery. The colors stand for the 1st and 2nd corps which were the Army’s components