This Dispatch Riders' case, which contains maps of Belgium and France, belonged to Thomas J Gange, Australian Corps of Signals. The photographs placed in the front of the case in one of the photographs feature Grange in uniform and on his motorbike.

A dispatch rider was a military messenger, usually on motorbike or mounted on horseback. They were crucial in wartime communications, relaying messages between units and headquarters.

The Royal Australian Corps of Signals is responsible for telecommunications and information systems for the Australian Army.