Achaemenid Kingdom. Xerxes I to Darios II. Ca. 485-420 B.C. AR siglos (21.2 mm, 5.50 g, 12 h). Persian king or hero in kneeling-running stance right, holding spear and bow; triskeles banker's mark / Rectangular incuse punch. Carradice Type IIIb; BMC 15; SNG Kayhan 1030. Toned aVF.