The yellow jade carved bi ornament is in the form of a flattened disc with hollow center, carved on the surface with mythical beast outline, the jade is of celadon-yellow and russet color tone.|Ming Dynasty period.||Diameter: 2 1/4 in (5.7 cm)|明 黃玉壁|黄玉，体扁平，中一孔。玉面雕纹饰，作工精良，纹饰优美。洋溢着儒雅气质。玉质温润，形制简洁，做工精致，造型很规整。