Heraclius's reign was marked by several military campaigns. He fought the Sasanid Empire from his ascension in 610, and avoided total defeat before driving the Persians from Asia Minor in 627.
The conflict had greatly weakened both the Sasanians and the Byzantines, so when the Muslim Arabs emerged from Arabia in 634 they quickly conquered the Sasanian Empire - and then Mesopotamia and Armenia. By the time of his death in Constantinople, on February 11, 641, most of Egypt had fallen as well.
Reverse: Large M, ANNO at left, cross at top, B below, XVI at right, ΘEC in exergue
Die Orientation: 7 H
Weight: 3.42 g
Byzantine Empire
Heraclius regnal year 16 = 624-625 AD
Second officina in Thessalonica mint
Reverse: Cross potent within wreath
Die Orientation: 0 H
Weight: 0.6 g
Reverse: dEUS AdIUtA ROmANIS, Cross-potent on globe above three steps (no field marks)
Die Orientation: -
Weight: 6.4 g
Reverse: Cross within raised border or wreath
Die Orientation: 0 H
Weight: 0.3 g
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Reverse: VICTORIA AVÇЧ І Cross potent/ CONOB
Die Orientation: -
Weight: 1.45 g
Reverse: Cross potent within wreath
Die Orientation: 6 H
Weight: 0.4 g