Thrace, Mesambria, c. 150-125 BC. AR Tetradrachm (31mm, 16.59g, 11h). In the name and types of Alexander III of Macedon. Head of Herakles r., wearing lion skin. R/ Zeus Aëtophoros seated l.; in inner l. field, helmet above ΔA; ΠPO monogram below throne. Price 1062; HGC 3, 1568. Good VF - near EF