Danubian Celts, Æ Tetradrachm, 2nd Cent BC, derived from the Macedonian Kingdom of Philip II
Con/ Non-cleaned; well-centered on both sides, green patina after cleaning
Obv/ Devolved head of Zeus r., with prominent raised round (ball) cheek
Rev/ Free horse prancing left
Seller's Note/ Most likely this coin was struck in Sirmia, a fertile region of the Pannonian Plain in Europe, between the Danube and Sava rivers. Today, it is divided between Serbia in the east and Croatia in the west.