tetradrachm of Syracuse, 410 BC ca.

Obv. galloping quadriga driven by male charioteer; Nike flying above, crowning the charioteer, in ex: two dolphins
Rev. head of Arethusa, four dolphins around, SURAKOSIWN

Tudeer 44 (V14/R26)    17.39 g    Numismatic Fine Arts, Auction XXX 1992 no. 19
                                  Sotheby's, Auction Zurich October 1993 no. 246

obverse signed by Euainetos (obverse on rectangular tablet hold by Nike: EYAIN-ETO) 
reverse signed by Eumenos   (reverse beneath neck truncation:            EVME-NO-Y)    

1st specimen
2nd specimen  

for dating see: RR Holloway (....) La struttura delle emissioni de Siracusa, AIIN 21-22 pp 41-47

See die-coupling (Tudeer1-57) and hairstyle D