Arab Byzantine. Umayyad Caliphate, circa AH 24/5-26/7 / 645-647 AD. Fals (bronze, 3.42 g, 20 mm), imitating a follis of Constans II, uncertain mint. Draped and bearded imperial bust facing, wearing crown with cross, holding cross in his right hand; in upper field to right, star; to right, retrograde S. Rev. Large M between N and X/N. Nearly very fine.