The archaic jade carved cong ornament has rectangular exterior and tubular interior, the jade is of celadon-brown color tone with stone veins and mottled interior.|Culture period.||Height: 2 1/4 in (5.7 cm) Length: 2 in (5.1 cm) Width: 2 in (5.1 cm)|文化期 褐沁素面琮|玉質局部受沁，玉琮的基本形製為內圓外方，以示天圓地方。此琮呈橢圓柱狀，器型規整，輪廓分明，較為少見。包漿厚重、沁色斑斕。