Achaemenid Kingdom. Artaxerxes I - Artaxerxes II. Ca. 450-375 B.C. AR siglos (16.1 mm, 5.39 g, 12 h). Persian king or hero in kneeling-running stance right, holding spear and bow / Rectangular incuse punch. Carradice type IIIb, late; SNG Kayhan 1029; Sunrise 29. aVF.