Watch List notes:

SICILY, Syracuse. Hieron I. 478-466 BC. AR Tetradrachm (22mm, 17.39 g, 1h). Struck circa 478-475 BC. Charioteer driving slow quadriga right; above, Nike flying right, crowning horses / Diademed head of Arethousa right; four dolphins around. Boehringer Series IXb, – (unlisted dies); HGC 2, 1306; Randazzo 393–6 (same dies). Good Fine, toned, slight die wear. Rare die combination.