Sicily.   Syracuse.   Agathokles  (317-289 BC).     AR Tetradrachm, c. 317-310 BC.   Obv.    Wreathed head of Arethousa left; three dolphins around; [letters below neck].        Rev.   Charioteer driving quadriga left; triskeles above, ΣΥΡΑΚΟΣΙΩΝ/AI monogram in exergue.     HGC 2 1348; SNG ANS 632-43 ; BAR issue 2.     16.3 g.   25.5 mm.        Minor roughness, cabinet tone.    VF/Good VF.