Catalogue entry no. 129 by Max Loehr:
129 Bird
Figure of a bird seen from above, carved from a plano-convex piece of translucent, light grayish green jade. The parts are defined by shallow grooves. The wings stretch back almost to the end of the tail. On the back, only the wings, marked by incised lines, are evident. Perforation between the eyes, drilled from the back. Shang or Western Chou.