SELEUKID EMPIRE. Alexander I Balas. 152-145 BC. AR Tetradrachm (30.5mm, 16.58 g, 1h). Antioch on the Orontes mint. Dated SE 166 (147/6 BC). Diademed head right / Zeus Nikephoros seated left; monogram to inner left, ςΞP (date) and monogram in exergue. SC 1784.8c; HGC 9, 875a; DCA 118. EF, dark iridescent tone, slightly off center on obverse.