THRACE. Islands off Thrace. Thasos. AR Tetradrachm, ca. 148-90/80 B.C. NGC EF. Overstruck. HGC-6, 359; Le Rider-52. Obverse: Wreathed head of Dionysos right; Reverse: Herakles standing left, holding club and lion skin; monogram to inner left. Overstruck on unknown host. Attractive mottled gray toning with hints of amber coloration and underlying luster in the fields.