Based on the carving style and motif, the object is identified as Liangzhu Culture jade septic. A similar object is seen for the awl shape jade of L. 34cm, W.1.5cm, unearthed in 1982 from Graveyard N0.9 Fuquan San District, Qingpu, Shanghai Municipality. A collection of Regulatory Commission of Shanghai Municipality. Antiquity evidence includes differential weathering, dissolved pits, and additive crystals.
- quality of jade: 8
- rareness: 10
- historical and cultural significance: 9
- workmanship: 10
- condition: 9