Chalkon - Seleukos II Kallinikos Antioch

Seleukos II inherited a fractured empire. His reign opened with the Third Syrian War, during which Ptolemy III invaded deep into Seleucid territory, briefly occupying Antioch itself. Bronze coinage of this type continued circulating through that occupation and its aftermath — a period of considerable administrative disruption to the Antiochene mint. His later years were consumed by a prolonged civil war against his own brother Antiochos Hierax, effectively splitting the empire in two for nearly a decade.