Entella, Sicily. Punic issues. Ca 320/15-300 BC. AR Tetradrachm 22mm, 16.33 g. 

Wreathed head of Arethusa left; four dolphins around.
Head of horse left; palm tree to right, Punic M below. 

Jenkins, Punic 264 (O81/R212); SNG Lloyd 1641 (same obv. die). 

Good VF, toned.
Used with permission of CNG (cngcoins.com), May, 2011