Watch List notes:

The M.L. Collection of Coins of Magna Graecia and Sicily
Syracuse

Tetradrachm circa 450, AR 17.37 g. Slow quadriga driven r. by bearded charioteer, wearing chiton and holding kentron and reins; above, Nike flying r. to crown the horses and in exergue, ketos swimming r. Rev. ΣVPAK – O – Σ – ION Pearl-diademed head of Arethusa r., wearing necklace; around, four dolphins swimming clockwise. McClean 2659 (these dies). Dewing 805 (this obverse die). Boehringer 538.
Wonderful old cabinet tone and good very fine
Privately purchased from NAC in 1990.