The ornament Neolithic Period, Liangzhu Culture; the axe-heads early Shang DynastyThe crown-shaped angular plaque in the form of an inverted trapezoid, the top pierced with an oval aperture and the bottom with three tiny holes, the finely polished stone of a translucent pale green tone with extensive areas of creamy-white calcification, the crowned-shaped ornament 7.7cm (3in) long; together with three blades of plain form, each with a bevelled edge in various tones of olive-green, two of them with a pierced hole, the longest axe-head 7.8cm (3in) long. (4).