Catalogue entry no. 139 by Max Loehr:
139 Semicircular Fish Figure
Carved from a collared disk (the type of disk represented by Nos. 97, 98, 99, 100, 101, 102, 103) of translucent, deep celadon-green jade. The pectoral fins, cut from the perpendicular collar, stand out transversely on both sides of the flat body. The segment behind the tail fin is shaped as an extended second tail. Shang or Western Chou.