Archaic Jade Cong with Human and Beast Mask Patterns. Cut and polished integrally from local ancient jade, four walls bear relief carvings of deity and taotie masks, covered all over with red seepage and white weathering soil stains with primitive neat patterns. Dimensions: Height 5.9cm, Side length 8cm, Net weight 449g. Jade cong served as core ritual vessels for worshipping heaven and earth in ancient times, and this small intact piece fits perfectly for desk display and collection.