Bidspirit auction | Chinese Carved Nephrite Jade Bi

Chinese Carved Nephrite Jade Bi Disk, Tang Dynasty (618-907 AD) - Archaic reddish brown nephrite, with 6 dragon heads on the outer ring, and 8 dragons (cloud design) on each side. Outer diameter: 5.45 inches = 138 mm = 13.8 cm; Weight: 8.6 oz. = 243 g; Condition: Perfect condition, no defects; Mohs’ hardness: 7.0-7.5; References: “Jade a study in Chinese Archaeology & Religion”, by Berthold Laufer, New York, 1974, originally published in Chicago, in 1912.