ancient greek coin, moesia, istros, facing male heads, sea-eagle grasping dolphin with talons, silver

ancient greek coin moesia istros facing male heads seaeagle grasping dolphin talons silver historical rare valuable precious metal greece antique classical numismatic heritage treasure archaeology authentic old investment commemorative history legacy wealth exquisite iconic obverse reverse fine hammered irregular variable alignment collectible historic event artifact economy finance bullion authenticity mythology sea creature