The small jade carved bi disc has raised bump patterns on both sides, surrounding the hollow center, the jade is of cream white and brown color tone with translucency.|||Length: 2 in (5.1 cm) Width: 2 in (5.1 cm)|玉璧|和田玉質，溫潤細膩，局部沁褐色，玉壁圓形內孔，玉壁周身減地方式琢刻穀紋，紋飾繁複，生動優美，玉質晶瑩潤澤，是戰國玉壁的佳作。