Carved with top quality white jade, the fish head has the design of dragon with an ax shape mouth which may be the origin for the dragon mouth after Han Dynasty. Two pair of legs is seen in the center part. Square angel lines carrying the Shang Dynasty genre of ko or hooked sword are decorated for the whole body. Fins are detailed with graceful incensed lines. Antiquity evidences include additive crystal and differential weathering.
There are kinds of carving style on the Shang dynasty jade congs:
- plain surface. 2. convex line god’s face. 3.low relief carving of phoenix head and god’s face.
The cong has three sections. The upper and lower sections are deity face with low relief lines which conform the carving style and the motif of the Shang Dynasty.. The middle part is four trenches. Antiquity evidences include dissolved pits, additive crystal and calcification.
- quality of jade: 7
- rareness: 9
- historical and cultural significance: 8
- workmanship: 7
- size: 3
- condition: 10
The Shang Dynasty jade artifacts are not only made of fine quality jade, but also are with the extraordinary skillful workmanship. Worship and military affairs are treated first priority matter for the Shang Dynasty; as a result, symbol of KO halberd axe and the shield are the most typical motif of many Shang Dynasty jade. However, these motifs are misinterpreted as twisted iron wire and double fish scale. Low relief and streamlined lines done through the reduction of the surface, the square angle curling lines and the smooth dual relief lines are typical for the Shang Dynasty jade artifacts.