A cast bronze single-hand sword, Jian. Warring States period, (475- BC). Cast in the Zhou style, formed of a conical pommel with two extruding flanges on the grip above the double-edge blade with a raised spine tapering gradually toward the tip. Provenance: lot 8494, Bonhams' San Francisco, 24 June 2015. Important private collection, Melbourne, approx length 47 cm