Catalogue entry no. 593 by Max Loehr:
593 Disk with Archaistic Dragon-Bands in Low Relief
Variegated gray-green stone with black veins; cracked, and with an incrustation of iron rust on one side. The décor, identical on both sides, consists of angular, flat bands with bird and dragon heads in asymmetrical variations. The design is derived from the Li-yü style of bronze decoration. Post-Han.