Sicily.   Syracuse.   Second Democracy (466-405 BC).     AR Tetradrachm, c. 450 BC.   Obv.    Charioteer, holding kentron and reins, driving slow quadriga right; above, Nike flying right with wings spread, crowning horses with wreath; [in exergue, ketos right].        Rev.   Head of Arethousa right, wearing hoop earring, and pearl necklace; ΣVRΑKΟΣΙΟΝ and four dolphins around.     HGC 2 1311; Boehringer 508 (V268/R362); SNG ANS 161 (same dies).     17.1 g.   25.5 mm.        Fine classical style. Delicate old cabinet tone.    VF/Good VF.