Without see the rest of the photo its either a British Mark V, French or early US tank but since we lagged behind with early tank production no telling.
With the door on the side it should be a Mark V "male" ( cannon armed instead of machine gun armed ). Now back to Napoleons and Ordnance rifles.Without see the rest of the photo its either a British Mark V, French or early US tank but since we lagged behind with early tank production no telling.