Tiberius II Constantine (578-582). AE Half Follis, Theupolis (Antioch) mint, dated RY 1 (578-579). Obv. Crowned bust facing, wearing consular robes, holding mappa and eagle-topped sceptre. Rev. Large XX (mark of value). MIB 54; D.O. 49; Sear 452. 5.91 g. 22.50 mm. Lovely light desert patina. Good VF.