THRACE. Mesambria. Diobol (Circa 420-320 BC).
Obv: Facing helmet. Rev: M - E - T - A. Four-spoked wheel; O below M.
SNG BM Black Sea 268-71 var. (no O); HGC 3.2, 1560.
Condition: Very fine.
Weight: 1.19 g. Diameter: 10 mm.