'Soldiers of the Famous Praetorian Guard at Rome', c1930. Roman soldiers and standard-bearer holding an aquila standard. From the Praetorians Relief, a Roman marble relief dated to c51-52 AD and housed in the Louvre-Lens museum in Lens, northern France. From "The World's Story, a Simple History for Boys and Girls", by Elizabeth O'Neill. [T. C. & E. C. Jack, London & Edinburgh, c1930]