tetradrachm of Syracuse, 405-400 BC ca.

Obv. galloping quadriga driven by female charioteer; Nike flying above, crowning the charioteer, in ex: ear of barley
Rev. head Athena facing wearing Attic helmet, four dolphins around; SURAKOSIWN

Tudeer 58 (V21/R36)    17.21 g    Numismatica Ars Classica AG, Auction 13 October 1998 no. 464
                                  Ex Antikenmuseum Basel und Sammlung Ludwig no. 464

reverse signed by Eukleidas (reverse on helmet of Athena: EU-KLEID-A) 

die-break at the right of reverse

See die-coupling (Tudeer58-106) and "hairstyle F" (head Athena facing)