Watch List notes:

Sicily, Deinomenid Tyranny (485-466), Tetradrachm, Syracuse, c. 485-480 BC; AR (g 17,37; mm 23; h 2); Charioteer driving slow quadriga r. crowned by flying Nike, dotted border, Rv. ΣYPAKOΣION, diademed head of nymph Arethusa r., wearing necklace; around, four dolphins. Boehringer 122E; SNG Copenhagen 623; SNG ANS 32.
Rare, lustrous, large flan, extremely fine.

Ex Roma Numismatics Ltd, Auction 6, lot. 421.