Sicily.   Syracuse.   Agathokles  (317-289 BC).     AR Tetradrachm, c. 317-310 BC.   Obv.    Wreathed head of Arethousa left; three dolphins around; NK below neck.        Rev.   Charioteer driving quadriga left; triskeles above, ΣΥΡΑΚΟΣΙΩΝ/AI monogram in exergue.     HGC 2 1348; SNG ANS 639 ; BAR issue 2.     16.88 g.   25 mm.        Deeply toned, well centred and struck. Light marks on cheek.    EF/About EF.