Trajan Orichalcum Sestertius, RIC II Trajan 621

Monetary Context and Denominational Function

During the High Roman Empire, the sestertius represented the principal base-metal coin of day-to-day administration, commerce, and state expenditure. Valued at one quarter of a silver denarius or four copper asses, the sestertius was manufactured from orichalcum, a golden-toned copper-zinc alloy favored by the imperial administration for its visual distinction and mechanical malleability. Within the monetary hierarchy established under Augustus and maintained with minor adjustments through the Antonine era, large orichalcum denominations carried substantial token value beyond their intrinsic metallic weight, allowing the fiscus to manage extensive public expenditures, infrastructure programs, and military disbursements efficiently. Under Trajan, the influx of vast quantities of captured Dacian bullion following the campaigns of AD 101 to 106 catalyzed expansive fiscal outlays, monumental building projects in Rome, and significant recoinage operations. While silver and gold issues absorbed vast quantities of precious metal, the base-metal series fulfilled crucial civic functions, lubricating retail markets, municipal tax collections, and local banking across Italy and the provinces. The expansive flan of the sestertius, typically measuring between 32 and 35 millimeters in diameter with an intended weight standard hovering between 25 and 28 grams, offered an unmatched public canvas for official state messaging. In this context, the issue catalogued as RIC II Trajan 621 functioned both as an indispensable transactional tool and as an official medium celebrating provincial reorganization and prosperity under Trajanic rule.

Mint Organization and Production Techniques

RIC II Trajan 621 was produced exclusively at the imperial mint of Rome, the sole facility authorized to strike brass and copper coinage for the central empire during this phase of the principate. Although eastern provincial mints produced local bronze currencies, all standard imperial sestertii carrying Latin inscriptions and senatorial sanction originated within Rome's state workshops. The manufacturing sequence began with the casting of heavy, circular orichalcum blanks in open or two-part molds. These planchets were carefully prepared to meet strict administrative weight intervals, though individual tolerances varied naturally across operational batches. Before striking, flans were softened by annealing to ensure complete die filling under the force of heavy sledgehammers. Mint artisans, organized into specialized teams of engravers (scalptores), flan casters, heaters, and hammerers, operated pairs of hand-engraved dies. The lower obverse die was fixed securely into an anvil block to withstand repeated percussion, while the upper reverse die was held manually or with tongs. Because the reverse die absorbed the direct blow of the hammer, reverse dies wore out and fractured at a noticeably higher frequency than obverse dies, necessitating continuous replacement by the mint's staff. Analysis of die axes among imperial sestertii of this era shows a predominant alignment at six o'clock or twelve o'clock, reflecting systematic handling during manual die alignment. The resulting coin exhibits the sharp relief, balanced volumetric modeling, and disciplined lettering characteristic of Rome's master engravers during Trajan's mature reign.

Obverse Iconography and Imperial Portraiture

The obverse of RIC II Trajan 621 presents a right-facing portrait bust of Trajan executed in the dignified, heroic style typical of his decennalia and post-decennalia coinage. The emperor is depicted wearing a laurel wreath tied at the nape of the neck, with ribbon ends falling gracefully toward his shoulders. His bust is characterized by drapery placed lightly over the left shoulder, leaving the neck and muscular contours of the chest clearly visible. This specific compositional choice, balancing heroic nudity with official military drapery, projected Trajan's twin roles as triumphant supreme commander (imperator) and civil magistrate. The facial modeling emphasizes realistic yet idealized features: a firm, square jawline, a prominent aquiline nose, closely cropped hair brushed forward over the brow in characteristic Trajanic fashion, and a resolute gaze. By AD 112, the imperial portraiture had moved away from the severe, unadorned realism of Trajan's earliest accessional emissions, adopting instead a calm, commanding gravitas that celebrated his seasoned leadership and divine favor. The portrait is framed neatly by the peripheral inscription, which begins at the lower left and circles clockwise, terminating at the lower right. The execution of the die reflects the technical pinnacle of imperial die cutting, with deep engraving creating a sculptural, high-relief profile capable of maintaining legibility despite subsequent circulation wear.

Reverse Iconography and Provincial Allegory

The reverse design of RIC II Trajan 621 bears a sophisticated allegorical composition celebrating the pacification and economic integration of the conquered territory north of the Danube. Dacia is personified as a matronly female figure seated facing left upon a rocky outcropping, symbolizing the rugged, mountainous landscape of the Carpathian region. Rather than being portrayed as a weeping, vanquished captive crushed beneath arms, as seen on earlier martial issues, she is depicted as an integrated and protected subject of the empire. In her left hand, she holds a legionary aquila, signifying that Roman military authority and permanent garrisons now ensure the security and peace of the province. In front of her, seated upon a lower rock, a young child holds a cluster of grapes aloft, while at her side stands or rests a second child holding ears of grain. The inclusion of the two children bearing the fruits of the soil is a direct visual invocation of fertility, agricultural rejuvenation, and abundant natural resources. This imagery announced that the devastation of the Dacian Wars had concluded, replaced by fruitful cultivation, mineral wealth, and civic vitality under Roman governance. Flanking the lower fields of the composition are the bold letters S and C, denoting the formal decree of the Senate. The entire tableau was carefully arranged by the engraver to fit the circular flan, using varied ground lines provided by the naturalistic rocks to create spatial depth and iconographic clarity.

Epigraphy and Titulature

The legends on RIC II Trajan 621 encapsulate Trajan's complete imperial titulature and document the administrative status of his territorial additions. The obverse legend reads IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS VI P P, written in the dative case (Imperatori Caesari Nervae Traiano Augusto Germanico Dacico, Pontifici Maximo, Tribunicia Potestate, Consuli Sextum, Patri Patriae). This grammatical construction frames the coin as a formal civic dedication to the emperor by the Senate and the Roman people. The titles record his lineage from the deified Nerva, his earned victory titles Germanicus and Dacicus, his high priesthood as Pontifex Maximus, his ongoing renewal of tribunician power, his sixth consulship entered on January 1, AD 112, and his designation as Pater Patriae. On the reverse, the legend reads DACIA AVGVST PROVINCIA, accompanied by the senatorial authorization S C in the field. This inscription explicitly declares the formal transformation of the region into an imperial province under the direct protection and auspices of Augustus (the emperor). The lettering is rendered in standard Roman monumental capitals, featuring balanced serifs, uniform vertical strokes, and clear spacing. Minor variations in character positioning and abbreviation stop placement occur across different hand-cut dies, but the formulaic transcription remained rigorously standardized throughout this emission.

Typology, Dating, and Related Issues

The chronology of RIC II Trajan 621 is firmly bounded between early AD 112 and late AD 114 based on the imperial titulature displayed on the obverse. Trajan assumed his sixth consulship (COS VI) on January 1, AD 112, establishing a rigid terminus post quem for the issue. The terminus ante quem is defined by the autumn of AD 114, when the Senate officially conferred upon Trajan the supreme title Optimus ('the Best'), which was immediately integrated into his coin inscriptions as an essential component of his imperial nomenclature. Issues lacking OPTIMO or OPTIMVS, such as RIC 621, must therefore predate this late AD 114 award. Within Bernhard Woytek's comprehensive modern classification of Trajan's coinage (Moneta Imperii Romani 14), this issue belongs to the prolific middle-to-late COS VI bronze phase, catalogued under Woytek type 468. The type forms part of a thematic series struck across multiple denominations, including denarii and sestertii, celebrating the provincial infrastructure, roads, harbors, and territorial acquisitions of the middle principate. While neighboring sestertius varieties feature standing personifications of Dacia, seated captives beneath military trophies, or personifications of the new province of Arabia, RIC 621 is typologically distinct in its depiction of the seated Dacia accompanied by two agricultural children and the explicit provincial legend DACIA AVGVST PROVINCIA.

Circulation Patterns and Archaeological Context

Once released from the mint at Rome, sestertii of the DACIA AVGVST PROVINCIA type entered an active, empire-wide monetary stream. Base-metal coinage struck at Rome enjoyed uninhibited circulation throughout Italy, the Rhine and Danube frontiers, Gaul, Britain, and Hispania. Archaeological excavations and hoard records demonstrate that Trajanic sestertii circulated intensely for decades, often remaining in active commercial use well into the late Antonine and Severan periods. Because orichalcum was subject to gradual abrasive wear in daily transactions, surviving specimens frequently exhibit moderate to heavy wear, softening the intricate high-relief details of the children, the agricultural attributes, and the emperor's wreath ties. Significant coin hoards from the western and Danubian military sectors frequently contain Trajanic bronze coins alongside earlier Flavian and later Hadrianic issues, underscoring the longevity and persistent purchasing power of large brass denominations. Findspots in the Danubian provinces and Dacia itself highlight the ideological resonance of the type: circulating among stationed legions, administrative personnel, and native populations, the coin served as a constant reminder of Roman pacification, stability, and agricultural renewal in a newly incorporated imperial borderland.

References

1. Coins of the Roman Empire in the British Museum, Vol. III: Nerva to Hadrian. pp. 182-184
2. Online Coins of the Roman Empire: RIC II Trajan 621. ric.2.tr.621
3. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. p. 288, no. 621
4. Die Reichsprägung des Kaisers Traianus (98-117) (Moneta Imperii Romani 14). Type 468