Bidspirit auction | 商朝 -周 Shang-Zhou dynasty, Chinese

商朝 -周 Shang-Zhou dynasty, Chinese carved dark jade rhinoceros, 1600-255 BC - 商朝 -周 Shang/Zhou dynasty Chinese carved dark jade rhinoceros, great patina. Possible attributions: Shang dynasty: 1600 BC to 1046 BC or Zhou dynasty: 1111 BC to 255 BC; Weight: 2 lb. 8 oz. = 1150 g; Length: 6 = 15 cm; Height: 3.75 = 9 cm; Condition: Some aging wear of the surface (refer to the pictures); Low Estimate: 3000; High Estimate: 6000;