Continental Greece. Thrace, Mesembria. AR Diobol, c. 4th century BC. D/ Crested Corinthian helmet facing. R/ Radiate wheel of four spokes; M-E-T-A. within. SNG BM Black Sea 268. AR. g. 1.32 mm. 10.50 Prettily toned. Uncleaned earthen deposits. About EF.