Watch List notes:

SELEUCIS and PIERIA, Antioch. Herennius Etruscus. As Caesar, AD 249-251. AR Tetradrachm (25.5mm, 13.46 g, 12h). 4th officina. Bareheaded and draped bust right; •••• below / Eagle standing left on palm frond, with wings spread, holding wreath in beak; S C in exergue. McAlee 1153d; Prieur 634 corr. (not cuirassed); RPC IX 1742. Toned, some minor deposits and porosity. VF.

From the John L. Cowan Collection. Reportedly ex Spartan (31 March 2015), lot 29.