Length 5.54 cm, width 5.3 cm, thickness 0.55 cm

      Made of tremolite jade, the opaque, grayish-white artifact has a slightly trapezoidal shape with rounded corners. Owing to its burial conditions, there are black and white stains on both its interior and exterior surfaces. A deformed insect pattern is carved in relief on one side. The incised lines are fluid, showcasing exquisite craftsmanship. It holds significant historical, artistic, and scientific value for studying the jade processing techniques and the bronze civilization of the ancient Shu people in the Chengdu region during the Shang and Zhou dynasties.