The Australian War Memorial Collection. Test site
White square colour patch for 1 Australian Pioneer Battalion, AIF, with a purple square superimposed in the centre.
Worn as a distinguishing unit indication at the head of each sleeve from 1916 until 1917.
Horizontally aligned rectangular colour patch for 1 Australian Pioneer Battalion, AIF, showing a central purple square on a white background. Worn as a distinguishing unit indication at the head of
Black square colour patch for Headquarters 1 Australian Division, AIF, with a white square superimposed in the centre. Worn as a distinguishing unit indication at the head of each sleeve from 1916 u
Vertically aligned rectangular colour patch for 5 Australian Pioneer Battalion, AIF, showing a central purple square on a white background. Worn as a distinguishing unit indication at the head of ea
Circular colour patch for 4 Australian Pioneer Battalion, AIF, showing a central purple circle on a white background. Worn as a distinguishing unit indication at the head of each sleeve from 1916.
Black square colour patch for 4 Australian Pioneer Battalion, AIF, with a crossed pick and axe above the numeral '4' embroidered in purple. Worn as a distinguishing unit indication at the head of ea
Diamond shaped colour patch for 2 Australian Pioneer Battalion, AIF, showing a central purple diamond shape on a white background. Worn as a distinguishing unit indication at the head of each sleeve
