Watch List notes:

SYRIA, Seleukis and Pieria. Antioch. Q. Didius, Messala Corvinus, or M. Tullius Cicero, Proconsuls, 30-29 BC, 29-28 BC, and 28-25 BC, respectively. Tetradrachm (Silver, 24.5 mm, 15.54 g, 1 h), in the name and types of Philip I Philadelphus, year 21 (KA) of the Caesarean Era (29/8 BC). Idealized diademed head of the Seleukid king Philip Philadelphos to right. Rev. ΒΑΣΙΛΕΩΣ ΦΙΛΙΠΠΟV / ΕΠΙΦΑΝΟVΣ ΦΙΛΑΔΕΛΦΟV Zeus seated on throne to left, holding Nike in his right hand and long spear in his left; below throne, monogram of ΛΙ; to inner left, AYΛT monogram; date (AK) in the exergue. McAlee 14. Prieur 15. RPC 4138. SC 2491.11. A bright, well struck example. Nearly very fine.