Attic standard ‘Athenian Series’ AR Tetradrachm (15.82 gm), uncertain mint in the Oxus region, circa 261-239/8 BC. Head of Athena right, wearing earring and crested Attic helmet decorated with three olive leaves over visor and a spiral palmetto / Owl standing right, head facing; olive sprig and crescent behind, AΘE before. Hoover 1; MIG.13; Cf. Bopearachchi, Sophytes Series 1A. Extremely Rare. aXF.