c. 450-440 BC. Tetradrachm, 17.42g (10h). Obv: Charioteer driving walking quadriga right, holding kentron and reins; Nike above, holding out wreath towards charioteer, ketos in exergue. Rx: Head of Arethusa right, wearing earring and necklace, hair tied with pearl headband; ΣVRΑΚΟΣΙΟΝ and four dolphins around. Boehringer 485. SNG ANS 153. Jameson 1909. Dewing 719. These cited coins are all from the same dies as ours.