Gratian Bronze AE3, RIC IX Nicomedia 33

Monetary Context and Historical Setting

The monetary landscape of the late fourth century AD was profoundly reshaped by the catastrophic Roman defeat at the Battle of Adrianople in August AD 378, in which the Eastern Emperor Valens was killed. In response to this unprecedented emergency, the surviving senior Western Augustus, Gratian, elevated Flavius Theodosius to rule the Eastern empire in January AD 379. As part of restoring civil administration and confidence across the Danubian and eastern provinces, Theodosius reorganized the imperial mints under his control, including the vital regional facility at Nicomedia. While the Roman monetary system continued to center primarily on the gold solidus for state taxation, major military pay, and institutional balances, daily commerce relied entirely upon base copper-alloy fractions, conventionally classified by modern numismatists into arbitrary size modules known as AE denominations. RIC IX Nicomedia 33 is an AE3 module, struck to provide essential small-denomination liquidity for local urban markets and garrison economies. By striking in the name of Gratian at an eastern mint, Theodosius demonstrated legal collegiality, dynastic loyalty, and deference to the senior Augustus who had granted him the imperial diadem.

Production Standards and Minting Operations

RIC IX Nicomedia 33 was manufactured exclusively at the imperial mint of Nicomedia (modern Izmit, Turkey), an administrative hub located strategically near the imperial capital of Constantinople. Nicomedia operated multiple specialized workshops (officinae), which were designated sequentially by Greek letters such as Alpha and Beta in the mintmarks engraved on reverse dies. The planchets for this copper-alloy AE3 coinage were cast in sheet or mould matrices, cooled, trimmed, and subsequently struck using manually operated lower and upper dies. Like most base-metal coinage of the late fourth century, metallurgical composition consisted primarily of copper blended with modest quantities of lead, zinc, and tin to enhance fluid metal flow during die striking, occasionally bearing trace elements of silver. Standard diameters for this specific series vary between roughly 16 and 19 millimeters, with typical specimen weights centering between 2.0 and 2.6 grams, though weights were struck al marco (by overall quantity per weight of bullion) rather than adjusted individually al pezzo, producing noticeable variations across preserved examples.

Obverse Design and Portraiture

The obverse die presents a right-facing bust of Gratian, rendered in the formal late-antique imperial portrait tradition characterized by stylized symmetry, large expressive eyes, and stylized treatment of drapery. Gratian is depicted wearing the imperial pearl diadem, consisting of a double strand of pearls tied at the occiput with visible dangling ribbons (pendilia). Over his shoulders, he wears an imperial military mantle (paludamentum) secured by a circular brooch (fibula) over a cuirass. This combination of civic diadem and military armor symbolizes the dual constitutional role of the Augustus as the supreme civilian magistrate and commander-in-chief of the imperial legions. In accordance with fourth-century artistic conventions, the portrait is idealized and conceptual rather than an individualized physiognomic likeness, presenting the senior emperor as a transcendent protector of Roman order.

Reverse Iconography and Attributes

The reverse iconography of RIC IX Nicomedia 33 features an enthroned personification of Roma, representing the eternal majesty, military valor, and unity of the empire. She is depicted seated facing forward on a throne with her head turned to the left. In her right hand, Roma holds a globe, representing universal sovereignty and cosmic dominion, while her left hand cradles an inverted spear, resting vertically with the point facing downward to denote victory achieved and vigilance maintained. The drapery of her chiton falls over her legs, and the back or cushions of the throne vary slightly between individual die-cutters. In the exergue at the base of the flan, the mint signature of Nicomedia appears alongside officina markers. The composition consciously draws on classical iconography of seated Roma, projecting stability, continuity, and unyielding strength in the face of ongoing Gothic warfare in Thrace.

Epigraphy and Legend Structure

The obverse inscription reads D N GRATIA-NVS P F AVG, broken across the upper right field above the emperor's head. The initials expand in Latin to Dominus Noster Gratianus Pius Felix Augustus ('Our Lord Gratian, Pious and Fortunate Emperor'). The title Dominus Noster explicitly reflects the Dominate style of governance, while Pius Felix encapsulates imperial piety toward the divine and fortune in statecraft. On the reverse, the legend reads VIRTVS RO-MANORVM, broken across the upper field on either side of Roma's head and spear tip. Translating as 'The Valor of the Romans', the phrase was an established ideological slogan asserting collective Roman resilience and military virtue. Exergual mintmarks typically consist of SMN (Sacra Moneta Nicomediae, 'Sacred Mint of Nicomedia') combined with a Greek numeral designating the officina, such as SMNA or SMNB.

Typological Classification and Chronological Framework

In the standard classification established by J. W. E. Pearce in Roman Imperial Coinage Volume IX, this specific issue is designated as Nicomedia number 33. It belongs to the broader series of bronze issues struck simultaneously across several eastern mints, including Constantinople, Cyzicus, and Antioch, during the opening years of the reign of Theodosius I. Pearce divided the coinage of this period into distinct chronological phases based on obverse titulature, imperial collegiate composition, and reverse types. The VIRTVS ROMANORVM AE3 series was initiated following the settlement of eastern administrative structures around AD 378 or 379. The striking of RIC IX Nicomedia 33 in Gratian's name continued alongside matching types issued for Theodosius I and the child Augustus Valentinian II until the summer of AD 383, when Gratian was overthrown and assassinated by the usurper Magnus Maximus in Gaul. Consequently, this specific catalog entry possesses a firm terminus ante quem in August AD 383.

Circulation Patterns and Monetary Role

Archaeological excavation reports and hoards from Asia Minor, Greece, and the wider Balkan corridor confirm that base-metal AE3 coins of the VIRTVS ROMANORVM type circulated widely throughout the urban and rural centers of the eastern Mediterranean. Because small-denomination bronze pieces were rarely exported systematically outside the empire, their distribution is closely tied to domestic markets, localized taxation, and the routine expenditures of military detachments posted along supply arteries. Excavated specimens frequently exhibit heavy wear, clipping, or corrosion, demonstrating that these coins remained active in circulation for decades after their official striking period, often persisting through the fifth century alongside subsequent AE4 issues. Their sustained use underscores the fundamental reliance of everyday Roman commerce on durable copper-alloy token coinage during the economic transitions of the late empire.

References

1. Catalogue of Late Roman Coins in the Dumbarton Oaks Collection and in the Whittemore Collection. pp. 126-135
2. Online Coins of the Roman Empire: RIC IX Nicomedia 33. ric.9.nic.33
3. The Roman Coinage from A.D. 364 to 423 (Spink & Son). pp. 58-64
4. The Roman Imperial Coinage, Volume IX: Valentinian I to Theodosius I. pp. 251-260