THRACE. Mesambria. Diobol (Circa 420-320 BC).
Obv: Facing helmet. Rev: M - E - T - A. Four-spoked wheel.
SNG BM Black Sea 268-9 & 271; HGC 3.2, 1560.
Condition: Very fine.
Weight: 1.22 g. Diameter: 11 mm.