HAN DYNASTY (206 BC-AD 220)

A very similar dark green jade bi disc of slightly larger size (21 cm. diam.) is illustrated by J. Rawson in Chinese Jade from the Neolithic to the Qing, London, 1995, p. 254, no. 15:4. Another of comparable size (18.7 cm.) is illustrated by M. Loehr in Relics of Ancient China from the Collection of Dr. Paul Singer, The Asia Society, New York, 1965, p. 110, no. 76.