Arab-Byzantine, Umayyad Caliphate, 636-660. Fals (bronze, 3.74 g, 18 mm). Imitation of a Follis of Heraclius, 610-641. Heraclius, to left, Heraclius Constantine to right; each standing facing, wearing chlamys and crown cruciger. Rev. Large M betweem A/૪/N/O and A/X/Ϛ; cross above, Δ below; CON in exergue. Very fine.