Trajan Bronze Sestertius RIC II Trajan 556

Monetary and Historical Context

During the reign of Trajan, the sestertius occupied a central position within the imperial monetary hierarchy as the principal large-denomination base-metal coin. Valued at one-quarter of a silver denarius or four copper asses, the sestertius was struck in orichalcum, a golden-toned copper-zinc brass alloy prized for its bright appearance and durability. The monetary reforms initiated under Augustus had established the sestertius as both an indispensable unit of everyday commercial accounting and a premier vehicle for visual state communications. By the early second century AD, the Roman economy experienced major monetary shifts, particularly driven by Trajan's Dacian campaigns between AD 101-102 and AD 105-106. The conquest of the Dacian kingdom yielded vast quantities of gold and silver spoils, which transformed state finances and funded monumental public architectural undertakings, lavish games, and widespread monetary donatives. Within this expansive economic context, large base-metal issues were produced in substantial numbers at the central mint of Rome. The introduction of the title Dacicus on the coinage in late AD 102, followed by the comprehensive thematic issues carrying the reverse formula S P Q R OPTIMO PRINCIPI from AD 103 onward, provided an ideological backdrop that celebrated military triumph, senatorial harmony, and imperial munificence throughout the Mediterranean world.

Production and Minting Authorities

The production of RIC II Trajan 556 was executed exclusively by the central imperial mint in Rome. Under the Flavian emperors and continuing into the Nervan-Trajanic era, the capital operated a sophisticated mint facility equipped with specialized workshops or officinae capable of mass-producing gold, silver, and bronze coinage. The sestertii of this period followed a weight standard averaging roughly twenty-five to twenty-eight grams, with a module typically measuring between thirty-two and thirty-five millimeters in diameter. Blanks were cast in open or two-part moulds before being brought to a glowing heat or struck cold under heavy, hammer-driven dies. The presence of the formula S C (Senatus Consulto) on the reverse records the formal constitutional tradition by which base-metal coinage was authorized by decree of the Roman Senate, even though actual administrative and fiscal oversight resided firmly within the imperial administration. Die-engravers at Rome during the middle of Trajan's reign achieved exceptional artistic quality, characterized by high-relief portraits, intricate muscular modeling on allegorical figures, and balanced circular epigraphy. The complex multi-figure tableau on the reverse of RIC II Trajan 556 required seasoned die-cutters capable of rendering violent physical action and dynamic spatial depth within the circular boundary of a sestertius flan.

Obverse Portraiture and Style

The obverse of RIC II Trajan 556 features a portrait of Trajan facing right. The emperor is depicted with a laurel wreath, tied at the nape of the neck with fluttering ribbons, and his bust is adorned with classical drapery over the shoulder. Trajan's iconography in this issue reflects the established decennalia and middle-period portrait traditions of his reign. The bust captures his distinctive physiognomy, including a low, furrowed brow, a firm, prominent chin, a straight aquiline nose, and neatly combed hair that falls straight across the forehead in the characteristic fashion inspired by Augustus. The drapery conveys a sense of heroic stature and civic dignity, softening the stern military demeanor often emphasized in bare-headed or cuirassed variants of other contemporary denominations. The surrounding imperial legend is engraved in careful capital lettering beginning from the lower left and running clockwise around the rim, framing the portrait without interruption and establishing an aura of authority and imperial majesty.

Reverse Iconography: Allegory of Subjugation

The reverse design of this sestertius represents a dramatic allegorical scene commemorating the complete defeat and pacification of the Dacian nation. The composition features a powerful male deity, identified by Harold Mattingly and the authors of Roman Imperial Coinage as the river god Tiber, standing toward the left. He aggressively forces the personified figure of Dacia to the earth, pressing down upon her with his right knee in a wrestling posture reminiscent of classical Hellenistic sculptural groups. Dacia is depicted in a state of complete collapse, slumped beneath the overpowering weight of the river deity. While early numismatic literature catalogued the male figure as Tiber, several modern scholars have suggested that the figure might represent Danuvius (the river Danube), the personified frontier waterway that Roman forces crossed and subdued to achieve victory over King Decebalus. Regardless of whether the deity personifies the sacred river of the imperial capital asserting hegemony over foreign lands or the frontier river assisting Roman arms, the tableau delivers an unambiguous message of total imperial conquest. In the lower field or flanking the figures, the senatorial letters S C confirm the official sanction of the issue, while the overarching legend frames the upper perimeter.

Epigraphy and Legend Readings

The inscriptions on RIC II Trajan 556 embody the full constitutional and military titles of the emperor alongside the grateful dedication of the Roman ruling order. The obverse legend reads IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS V P P, expanding in Latin to Imperatori Caesari Nervae Traiano Augusto Germanico Dacico, Pontifici Maximo, Tribunicia Potestate, Consuli Quintum, Patri Patriae. This sequence honors Trajan as the adopted son of the deified Nerva, victorious commander over the Germans and Dacians, supreme pontiff, holder of the tribunician power, consul for the fifth time, and father of his country. On the reverse, the legend reads S P Q R OPTIMO PRINCIPI, expanding to Senatus Populusque Romanus Optimo Principi (The Senate and the Roman People to the Best of Princes). Trajan was formally voted the honorific title Optimus Princeps by the Senate, an appellation celebrated continuously across his middle-period coinage. The senatorial dedication, combined with the traditional S C abbreviation, underlined the apparent harmony between the princeps and the senatorial order, presenting foreign military conquest not merely as a dynastic achievement, but as a collective triumph of the Roman state.

Typology and Chronological Placement

Within the typology of Trajanic coinage, RIC II Trajan 556 belongs to the extensive fifth consulship group struck between AD 103 and 111. Bernhard Woytek's exhaustive corpus on Trajan's coinage, Die Reichsprägung des Kaisers Traianus (MIR 14), refines the broad dates offered by Mattingly and Sydenham in Roman Imperial Coinage. Because Trajan entered his fifth consulship on January 1, AD 103, and did not assume his sixth consulship until January 1, AD 112, all coins bearing COS V span nearly a decade of continuous minting. However, historical and typological cross-referencing narrows the likely production of this specific river-god type to the period during or immediately following the Second Dacian War, approximately AD 105 to 108. The scene directly reflects the final defeat of Decebalus and the formal annexation of Dacia as a Roman province in AD 106. This type was struck alongside related Dacian victory issues that featured bridge architecture over the Danube, kneeling Dacian captives before trophies, and personifications of Pax trampling fallen enemies. While catalogued specifically under RIC II 556, minor variations in die cutting exist, including slight shifts in the arrangement of the reverse figures, variations in the drapery on Trajan's shoulder, and minor differences in legend spacing across individual die pairs.

Circulation Patterns and Archaeological Context

As high-value base-metal pieces, Trajanic sestertii circulated extensively throughout the western provinces of the Roman Empire, including Italia, Gaul, the Rhineland, Britannia, and the Danube frontier. In contrast to eastern provinces where local civic bronzes and provincial cistophori or tetradrachms predominated, western markets relied heavily on Rome-minted sestertii, dupondii, and asses for daily market transactions, regional trade, and military disbursements. Hoard evidence and archaeological excavation finds indicate that sestertii of Trajan remained in circulation for generations, frequently circulating well into the late second and early third centuries AD alongside coins of Hadrian and the Antonine emperors. Due to their long lifespan in commercial circulation, surviving examples of RIC II Trajan 556 typically exhibit significant surface wear, smoothing of the intricate details on the reverse figures, and softened legends. Well-preserved specimens displaying full details of the river god's muscular anatomy and the collapsed posture of Dacia were likely lost or hoarded relatively soon after their initial striking, preserving the exquisite work of the early second-century Roman die-engravers.

References

1. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. pp. 283, no. 556
2. Online Coins of the Roman Empire: RIC II Trajan 556. ric.2.tr.556
3. Untersuchungen zur römischen Reichsprägung des zweiten Jahrhunderts, Teil I: Trajan. Teil I: Trajan, nos. 388-390
4. Die Reichsprägung des Kaisers Traianus (98-117). MIR 14, Moneta Imperii Romani