Browse All : Flat+squarish+axe+-+incomplete+%28plain+-+ceremonial%29.+Greyish+stone%2C+glossy+finish%2C+light+and+dark+markings. by Unknown and The+Art+Institute+of+Chicago from -2500 and Late+Neolithic+period%2C+Liangzhu+culture%2C+1st+half+of+3rd+millennium+B.C.