Watch List notes:

ROMAN PROVINCE OF SYRIA. Seleucis and Pieria. Antioch on the Orontes under Roman Administration, 47/6-14/3 B.C. AR tetradrachm. 15.72 gm. 27 mm. Imitation Posthumous Philip I Philadelphos type. Struck 46/45 B.C. (year 4 of the Caesarian era). Diademed head of Philip I right, fillet border; / Zeus Nikephoros seated left; ΒΑΣΙΛΩΣ ΦΙΛΑΠΠΟΥ ΕΠΙΦΑΝΟΥΣ ΦΙΛΑΔΕΛΦΟΥ vertically left and right; ANT mintmark just left of throne; Δ (year 4) and thunderbolt in exergue. Houghton-Lorber 2491 (2). RPC 4128. SGC 7214. Mint State; lustrous and fresh; perfectly centered and deeply struck.Sear summarizes: After deposing the last of the Seleukid kings, Pompey the Great made Syria and Cilicia into Roman provinces. For about three decades Seleukid style tetradrachms continued to be issued by the new rulers, still in the name of Philip Philadelpos, the last legitimate Seleukid king before the usurpation of Tigranes.Houghton-Lorber note that Julius Caesar in a visit in the summer of 47 granted autonomy and coinage resumed dated according to the Caesarean era and continued through the reign of Augustus until 14/3, with a hiatus between 38/7 and 31/0.