Watch List notes:

SELEUCIS and PIERIA, Antioch. Commodus. As Caesar, AD 166-177. AR Tetradrachm (26mm, 13.51 g, 11h). Struck AD 179. Laureate head right / Eagle standing facing on leg and thigh of sacrificial animal, head and tail right, with wings spread; ram's head left to lower left, four-rayed star in exergue. Prieur 170 (this coin); McAlee 637; RPC IV.3 Online 7173/1 (this coin cited). Toned, a couple of light scratches, minor deposits. VF. Extremely rare, one known to Prieur, and one in CoinArchives.

From the Michel Prieur Collection.