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From its genesis, the Roman Empire took root in the spiritual world. Augustus himself embarked on religion’s resurgence, from the promotion of his deified adoptive father Julius Caesar to the restoration of dozens of temples across the Eternal City. He set the precedent that the imperial family had exclusive rights to divine access through the process of apotheosis. The living Emperor was
Pontifex Maximus, meaning “greatest bridge-builder,” the chief high priest who oversaw state religion. Key to that state religion was the concept of
Mos Maiorum, or "way of the ancestors" — a throwback to ancient Roman values promoting modesty, frugality, and civic duty. The Emperor was also responsible for maintaining
Pax Deorum, the Peace of the Gods. This was not a peace in the sense of quiet tranquility, but rather a legalistic contract. If the state performed the correct rituals and sacrifices, the gods were contractually obligated to provide military victory and material prosperity. As such,
Pax Deorum formed the foundation of sovereignty for Augustus and his successors. For centuries, this was the primary tool for controlling the masses: if the Emperor was a god, rebellion was sacrilege.
By the time this nummus was struck circa 337–340 AD, the concept of
Pax Deorum was undergoing a radical transformation. The reigning Emperor, Constantine, continued the tradition of leveraging religion to control the state, but he recognized that the old contract was broken. A spiritual juggernaut was taking the Empire by storm: monotheism. To the old guard, a single, exclusive God was a political emergency because it stripped the Emperor of his unique divinity. However, Constantine was a realist. He saw that Christianity offered something the state religion could not: a promise of universal salvation. By pivoting to monotheism, he could maintain the bond between religion and the state while offering a revised Pax Deorum that applied to everyone, from Emperors to senators to slaves.
Helena was the primary agent of this transition. Acting as her son’s spiritual proxy, she redefined what it meant to be at peace with the divine. While previous Empresses sought the favor of Juno or Vesta, Helena’s coinage and her travels to the Eastern provinces signaled a shift toward
Pax Deorum V2.0—peace with the Christian God. Rather than the historical hallucination of a holy relic pilgrimage, Helena traveled as an imperial weather eye. She was sent to the war-torn Eastern territories to be a calming influence during a period of intense religious upheaval. Her mission was a massive diplomatic and religious agenda. She strove to harmonize the old Roman authority and the new monotheistic reality.
This coin, produced at the major northern capital of Treveri (modern day Trier, Germany), captures that transition. The obverse bears the diademed and draped bust image of the Empress Mother, the woman who lived through a period where human beliefs were starting to mark the transition from a pagan world to a Christian one. Helena helped pivot away from the concept of a pact with the fickle gods of the old Pantheon toward a cosmic, spiritual peace. It is notable that Helena still retains her Augusta status, even though this coin is a posthumous issue. There are no records to support a traditional Roman apotheosis; evidently, in this case Rome was exploring a new paradigm of memorialization.
The reverse depicts Pax, the personification of peace. Bridging back to Augustus’ time, the meaning of Pax on coinage was propaganda to tout the power of the Emperor’s sword, backed by the gods’ favor, to achieve peace through domination. Helen's son certainly used domination to achieve the Empire’s unification, but achieving peace was more difficult. Pax on this coin could also have served as a reminder that the imperial team was no longer the only group with a ticket to the afterlife — every soul now had access to the spiritual equivalent of apotheosis.
The irony of this transition is captured in Constantine’s own end. Despite promoting this new peace, he famously waited until his deathbed in 337 AD to be baptized. Whether this was a calculated Pascal’s Wager or a strategic move to ensure he died without a single sin on his record, it underscores the shift: the Emperor was no longer a god himself, but a petitioner for the same eternal security he promised the lowest subject. Through coins like this one, the imperium renounced their divine exclusivity and announced the birth of the divine soul.
Coin Details: ROMAN EMPIRE, Helena, Augusta, AD 324-328/30, BI Nummus (14.5mm, 1.49 g, 12h), NGC’s attribution as Struck under Constantine I, 9 September AD 337-before April AD 340 (possibly a contemporary imitation), NGC Grade: MS, Strike: 4/5, Surface: 4/5, Obverse: Diademed & draped bust of Helena right, FL IVL HELENAE AVG, Reverse: Pax standing left, holding branch and transverse scepter, PA XPV BLICA, • TR(N?)P • in exergue, References: cf. RIC VIII 63; LRBC 112.
Image: NGC Photo Vision Plus.