Seleukid Kings. Demetrios I Soter (162-150 BC). AR tetradrachm (30mm, 16.72g). Antioch on the Orontes mint. Struck ca. 162-155/4 BC. Diademed head of Demetrios I r.; all within wreath / Tyche seated l. on throne supported by tritoness r., holding scepter and cornucopia.; to l., monogram. SC 1638.1g; HGC 9, 795f.