Watch List notes:

SICILY, Syracuse. Hieron I. 478-466 BC. AR Tetradrachm (24mm, 17.04 g, 6h). 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 VIIIb, 156 (V70/R108); HGC 2, 1306; SNG ANS 44 (same dies). Some roughness on reverse. VF.

From the Raintree Collection. Ex Classical Numismatic Group Electronic Auction 202 (14 January 2009), lot 12.