Collecting the Coins of Constantius II AD 317–361 · The Survivor of Constantine's Dynasty · Sole Ruler of the Roman World
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Collecting the Coins of Constantius II
AD 317–361 · The Survivor of Constantine's Dynasty · Sole Ruler of the Roman World
Of all Constantine the Great's sons, only one survived long enough to reunite the empire under his sole rule: Constantius II.
His reign lasted nearly a quarter century and unfolded during one of the most turbulent periods in late Roman history — dynastic purges, civil wars, Persian conflict, and theological division within Christianity. Not the bold conqueror his father had been, Constantius II became something different: the cautious, calculating survivor of the Constantinian dynasty. His coinage reflects the transformation of Rome from the classical empire of earlier centuries into the increasingly ceremonial, Christian, and militarized empire of Late Antiquity — and remains among the most affordable and historically important artifacts from the late Roman world.
From Caesar to Sole Emperor
Constantius II was born in AD 317 and elevated to Caesar in AD 324 after his father became sole ruler of the Roman world. He grew up during a period of enormous transformation: Christianity expanding rapidly, Constantinople rising as a new imperial capital, the court becoming increasingly ceremonial, and frontier pressures intensifying across the empire. Throughout his youth he appeared regularly on imperial coinage alongside his brothers, reinforcing dynastic legitimacy before he held independent authority.
When Constantine the Great died in AD 337, the empire descended into uncertainty. A bloody purge claimed several imperial relatives almost immediately. The empire was then divided: Constantine II took the far West, Constans took Italy and much of the Balkans, and Constantius II inherited the eastern provinces — and the empire's greatest external threat: the Sasanian Persians under Shapur II. Much of his reign was dominated by that eastern war, centered around Mesopotamia, Armenia, and Syria, including the famous and devastating fall of Amida in AD 359 described by Ammianus Marcellinus.
In AD 340 Constantine II was killed fighting Constans. In AD 350 Constans was overthrown and killed by the usurper Magnentius. Constantius II defeated Magnentius at the Battle of Mursa Major in AD 351 — one of the bloodiest battles in Roman history — and became sole ruler of the Roman Empire.
The FEL TEMP REPARATIO Series
Mints of Constantius II
Constantius II struck coins across the full late Roman imperial mint network during his long reign — each developing its own portrait character and mintmark conventions. His extended tenure means portrait styles evolved dramatically, offering collectors a rich visual record of one emperor across nearly three decades.
Why Collect Constantius II
Hold what the greats held.
Browse Coins of Constantius II at Kinzer Coins
Authentic late Roman bronze from the Constantinian dynasty — FEL TEMP REPARATIO fallen horsemen, GLORIA EXERCITVS types, and silver siliquae still surprisingly affordable.
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