Military helmet, period of the Warring Kingdoms. China, 5th century B.C.-221 B.C. Bronze. Measures: 32 x 24 cm. Chinese bronze helmet dated to the period of the Combatant Kingdoms, which is in very good state of preservation. It is an example of the military technological evolution of classical antiquity. At the time of Alexander the Great heavy infantrymen still wore this type of helmet, especially hoplites. Dimensions 32 x 24 cm.