齊家文化玉璋, L.35cm,W. 7cm, T.0.5cm, 250grams. 玉璋為六瑞之一, 本器青玉雕琢, 玉璋前刃較寬, 呈弧向兩側張開, 刃部鋒利, 扉部兩側各有七牙, 中間有一孔, 單向轉孔技法為之, 前方較寬大而平整, 後方較窄留有毛渣, 玉璋柄部之底成斜面, 構圖優美. 古玉跡象為擴散暈沁色, 曝露晶面及冰裂紋.
Zhang is one of the six ritual jades in Chinese jade culture. Carved with green tone jade, this Qijia Cultural jade zhang has a tang with the sixty-degree angle at one end of the bottom. The flange (LAN) has a one-directional drilling hole, both sides of the flange have two sets of notches, each set has three notches facing each side. The blade is seen narrow waist with the wide front end having two sharp points on each side. The overall design is gracefully carved and polish. The zhang has splendid 
streamline curves. Antiquity evidence includes differential weathering, cleaving vein, and exposed crystals.
Appraisal Indexes:
- quality of jade: 8
- rareness: 8
- historical and cultural significance: 9
- workmanship: 10
- size:7
- condition: 10