ancient greek coin, pannonia, tetradrachm, zeus, horseman, monogram of audoleon, silver

ancient greek coin pannonia tetradrachm zeus horseman silver historical rare valuable precious metal antique classical numismatic heritage treasure archaeology authentic investment commemorative history legacy wealth exquisite iconic obverse fine hammered irregular variable alignment collectible historic event artifact economy finance bullion authenticity mythology classic art symbolism hellenistic monogram audoleon horseback rider