Celtic Coinage. Celtic, Middle-Lower Danube. Uncertain Tribe. AR Tetradrachm, imitating Philip III of Macedon, circa 2nd cent. BC. Obv. Highly degraded head of Herakles right. Rev. Zeus Aëtophoros seated left. Lanz 920-32. CCCBM I 195-8. AG. g. 14.19 mm. 28.00 About VF.