Celtic World. Celtic, Eastern Europe. Uncertain tribe. AR Tetradrachm, imitating Philip III of Macedon, c. 2nd century BC. D/ Head of Herakles right, wearing lion skin. R/ Zeus Aëtophoros seated left; monogram to left. Lanz 919; CCCBM I S187; KMW 1482. 14.10 g. 30.00 mm. Nice delicate patina, minor delamination on the edge. VF.