Of russet, green and black colour, slightly tapering form Dimension: 12cm long / Total weight 560g Condition: In overall good condition commensurate with age Inventory: not found in the collector's inventory Note: Among Neolithic jades, the cong displays the most complex form: a cylindrical tube encased in a square prism that gently tapers from top to bottom. Enigmatic in function and meaning, the cong probably signified wealth and social status.