Watch List notes:

Syria, Seleucis and Pieria. Antioch on the Orontes. Augustus (27 B.C.-A.D. 14) in the name of Philip Philadelphos (d. 83 B.C.). 57-16 B.C. AR tetradrachm (27.54 mm, 15.61 g, 1 h). Posthumous Proconsular issue under Sextus Julius Caesar. Antioch mint, struck 20/19 B.C. Diademed head of Philip right / BAΣIΛEΩΣ / ΦIΛIΠΠOY - EΠIΦANOYΣ / ΦIΛAΔEΛ OY, titles vertically downwards to right and left of Zeus Nikephoros seated left holding small figure of Nike which crowns him with wreath and resting on scepter, XAT monograms to inner left and ΔI below throne; Λ (= yr. 30 = 20/19 B.C.). RPC I 4146. FDC, gray patina with areas of mint luster. 

From the D. Thomas Collection.