Catalogue entry no. 130 by Max Loehr:
130 Bird in Flight
Figure of a bird, possibly an owl, with spread wings, seen from above. Opaque greenish jade, largely calcified. Head, wings and tail are separated by grooves. A Tiny transverse hole is drilled though the beak. On the plain underside there is an incised character reading t’ien, “field” or “hunt.” Shang or Western Chou.