Theodosius I Bronze AE3 RIC IX Cyzicus 18A

Monetary Context

During the late fourth century AD, the Roman monetary system functioned on a tri-metallic framework where gold solidi underpinned high-value fiscal transactions and state expenditures, while silver siliquae and copper-alloy billon fractions met intermediate and daily market needs. The copper-alloy AE3 denomination, often catalogued under modern numismatic conventions as a reduced centenionalis or nummus, was the workhorse of regional and municipal commerce. Following the catastrophic defeat and death of Emperor Valens at the Battle of Adrianople in AD 378, Gratian, the senior Western Augustus, elevated Flavius Theodosius to rule the Eastern Roman Empire in January AD 379. Upon assuming control of the eastern provinces, Theodosius inherited an empire destabilized by Gothic incursions, military reorganization, and significant fiscal stress. In response, eastern mints initiated massive bronze coin issues to supply urban centers and military encampments with base-metal token currency. The issue catalogued as RIC IX Cyzicus 18A was struck under Theodosius I's authority at Cyzicus in the name of Gratian. Struck on a standard AE3 module, this coinage was tariffed against gold at fixed administrative ratios, functioning as fiduciary money that facilitated small-value retail trade across the eastern Mediterranean while paying auxiliary administrative overhead.

Production and Mints

The mint of Cyzicus, located on the southern shore of the Sea of Marmara, served as one of the premier operational mints of the eastern empire alongside Constantinople and Nicomedia. During the joint reigns of Gratian, Valentinian II, and Theodosius I, the Cyzicene workshops operated under centralized imperial oversight, translating uniform administrative mandates into carefully standardized coin dies. Production of RIC IX Cyzicus 18A relied on standard late imperial minting technology: flans were cast in molds before being placed between hand-carved iron dies and struck manually with heavy hammers. Metallurgical analyses of contemporary eastern AE3 issues indicate a composition dominated by copper, typically containing low percentages of tin and lead to improve alloy fluidity during casting, with only residual traces of silver. The Cyzicus mint functioned with multiple operational workshops, known as officinae, which distinguished their production through Greek numerical letters integrated into the exergual mintmark. The standard mint signature for this series appeared in the exergue as SMKA or SMKB, where 'SM' represented Sacra Moneta, 'K' stood for Kyzikos, and the final character indicated the specific officina. Quality control varied according to output pressures, producing flans that occasionally exhibited irregular edges, slight off-centering, or beveling resulting from rapid blank production.

Obverse Iconography

The obverse of RIC IX Cyzicus 18A presents a formal imperial portrait of Gratian facing to the right. Gratian is depicted with a pearl diadem, the standard insignia of imperial sovereignty established since the Constantinian period, consisting of a double strand of pearls tied at the back of the head with flowing ribbons or gem-set ties. The portrait features standardized late fourth-century conventions: idealized facial features, large almond-shaped eyes gazing slightly upward or forward, and neatly trimmed hair arranged in stylized rows along the brow. His bust is draped and cuirassed, indicating both civil authority and military command, with the folds of the paludamentum pinned at the right shoulder by a round jeweled fibula above a visible pectoral plate. Because this type was commissioned under the authority of Theodosius I at an eastern mint, the portraiture reflects the characteristic stylistic idiom of eastern die-cutters, who rendered facial proportions with refined, linear contours distinct from contemporary western mints such as Trier or Rome. Variations in die engraving across the officinae of Cyzicus resulted in minor differences in the spacing of the diadem pearls, the volume of the drapery folds, and the size of the head relative to the overall coin flan.

Reverse Iconography

The reverse design of RIC IX Cyzicus 18A portrays the personification of Roma, helmeted and seated facing on an elaborate throne, with her head turned to the left. She is clothed in traditional classical drapery, with her right leg rendered bare, a heroic convention inherited from classical Greek artistic traditions and adapted to symbolize Roman martial prowess. In her right hand, Roma holds a globe, an enduring emblem of universal dominion and cosmic authority, while her left hand cradles an upright spear held vertically against her side. The throne is depicted as a high-backed seat, sometimes rendered with decorated side panels or turned legs depending on the skill of the individual die engraver. This iconographical composition directly engages with the contemporary institutional tension between Old Rome and Constantinople. While eastern mints frequently struck personifications of both Roma and Constantinopolis during this triarchic period, the Roma seated type remained an unambiguous assertion of traditional imperial legitimacy. The combination of the bare leg, helmet, spear, and globe synthesized martial readiness with global stewardship, communicating that despite the severe military crises along the Danube, the unified Roman state commanded by the Augusti stood resilient.

Epigraphy and Legends

The inscriptions on RIC IX Cyzicus 18A employ clear Latin epigraphy characteristic of late imperial administration. The obverse legend reads D N GRATIA-NVS P F AVG, typically broken across the imperial head between the letters A and N. This legend expands to Dominus Noster Gratianus Pius Felix Augustus, translated as 'Our Lord Gratian, Pious and Fortunate Augustus.' The title Dominus Noster underscores the autocratic nature of the late Roman dominate, while Pius Felix asserts the emperor's religious devotion and divine favor. On the reverse, the legend reads CONCOR-DIA AVGGG, conventionally interrupted above the helmeted head of Roma. The term Concordia celebrated the concord, political unity, and mutual amity among the co-rulers of the Roman world. The ending of the title with three Gs (AVGGG) specifically denoted the plural presence of three simultaneous Augusti ruling the empire: the senior Western emperor Gratian, his younger half-brother Valentinian II, and the eastern emperor Theodosius I. In the exergue at the base of the reverse, the mintmark SMKA or SMKB designates the Sacra Moneta of Cyzicus and the specific producing workshop. Letter forms are generally compact, featuring squared capitals with occasional serifs, though dies from heavily worn states often exhibit blurred letter strokes.

Types and Chronology

The CONCORDIA AVGGG reverse type was inaugurated across eastern mints shortly after Theodosius I's accession in AD 379 and continued until Gratian's assassination in AD 383, establishing a tightly constrained chronological envelope for RIC IX Cyzicus 18A. Within the classification system of Roman Imperial Coinage Volume IX, Cyzicus type 18 is divided by imperial portraiture: subtype 18A is specifically reserved for Gratian, while subtype 18B corresponds to Valentinian II and 18C to Theodosius I. Cyzicus 18A is further distinguished from closely related AE3 issues bearing the Constantinopolis reverse, in which the personification wears a mural crown, rests her foot upon a prow, and holds a cornucopia. The chronological progression at Cyzicus shows that the CONCORDIA AVGGG issues superseded the late issues of Valens and Gratian struck under the previous VOTIS types. Following the death of Gratian in late summer AD 383, the tripartite legend AVGGG became anachronistic until the subsequent recognition of Arcadius, prompting administrative reforms in reverse iconography and legend formulas across the eastern mint network. Precise sequencing within the AD 378 to 383 interval is supported by hoard evidence and the progressive development of workshop marks in the Cyzicene exergue.

Circulation and Monetary Life

RIC IX Cyzicus 18A circulated widely throughout the eastern provinces of the Roman Empire, including Thrace, Asia Minor, Syria, and the Levant. Excavation assemblages from prominent late Roman urban centers such as Sardis, Aphrodisias, and Athens demonstrate that base-metal AE3 coins struck under the CONCORDIA AVGGG program dominated local daily marketplace transactions throughout the final decades of the fourth century. These bronze pieces circulated extensively alongside earlier Valentinianic and Constantinian copper fractions, serving to purchase staple food items, pay urban tolls, and settle low-denomination domestic debts. Because the intrinsic copper value of an AE3 coin was lower than its nominal tariffed value, the state successfully maintained their circulation as fiduciary tokens. Due to decades of active monetary velocity, surviving specimens frequently show considerable mechanical wear, soft strikes on the high points of Roma's throne and drapery, and corroded surfaces typical of aggressive soil chemistry in the Mediterranean basin. As the Roman state subsequently introduced smaller AE4 denominations during the 380s and 390s, the larger AE3 coins of Gratian and Theodosius remained in circulation, often passing down through multiple generations until fifth-century currency reforms gradually withdrew or re-tariffed older imperial bronzes.

References

1. The Roman Imperial Coinage, Volume X: The Divided Empire and the Fall of the Western Parts. pp. 48-52
2. Online Coins of the Roman Empire: RIC IX Cyzicus 18A. RIC IX Cyzicus 18A
3. The Roman Imperial Coinage, Volume IX: Valentinian I - Theodosius I. pp. 242-244