Trajan Bronze Sestertius RIC II Trajan 413

Monetary Context

During the early Principate, the sestertius held an indispensable position within the tripartite monetary system established under Augustus. Valued at one-fourth of a silver denarius or four copper asses, the sestertius served as the principal large-denomination base-metal coin used in high-volume civic, commercial, and administrative transactions throughout the empire. It was also the traditional Roman unit of account used in public records, imperial tax assessments, elite property censuses, and military bookkeeping. Because of its broad flan and substantial physical presence, the sestertius was prized by the imperial administration as a primary medium for conveying state policy, dynastic legitimacy, and official ideology to the urban populace of Rome and the Italian peninsula. When Trajan assumed power in January AD 98 following the death of Nerva, he inherited an economy recovering from the political volatility of the late Flavian era. Rather than entering Rome immediately, Trajan spent over a year consolidating the Rhine and Danube frontiers before entering the capital in the autumn of AD 99. The striking of RIC II Trajan 413 corresponds to this pivotal inaugural period in the imperial capital, providing a visible guarantee of administrative continuity, civil order, and traditional governance under the newly established regime.

Production and Mints

The entire production run of RIC II Trajan 413 was struck at the central imperial mint in Rome. Under the early empire, large base-metal denominations were manufactured from orichalcum, a golden-yellow copper-zinc brass alloy that distinguished the sestertius and dupondius from the reddish unalloyed copper employed for asses and quadrantes. The Rome mint maintained rigorous manufacturing protocols for the production of sestertii. Heavy circular blanks were cast in gang molds or prepared by slicing cast cylindrical ingots, followed by heating before striking between hand-carved steel or bronze dies. The target weight standard for Trajanic sestertii during this phase clustered around 24 to 28 grams, with typical diameters ranging between 32 and 35 millimeters, although individual planchets regularly fluctuated above or below these median parameters due to rapid batch processing and tolerance for al marco striking. The mechanical execution of RIC II Trajan 413 reflects the high technical standards of the Rome mint engravers, characterized by deep relief, disciplined lettering, and carefully balanced compositions tailored to the expansive surface of the flan.

Obverse Imagery and Variations

The obverse of RIC II Trajan 413 presents an idealized yet realistic portrait of Trajan facing right. The emperor is depicted with a laurel wreath, tied at the back of the head with two fillets that trail across the neck. Engravers rendered Trajan with his signature straight-combed hair falling across the forehead, strong facial planes, a prominent nose, and a firm jawline, establishing the standardized imperial iconography that characterized his initial portrait types. Die studies and catalogued specimens record two principal portrait treatments within this specific catalogue number: a simple laureate head or bust with truncation at the neck, and a more elaborate variant showing drapery and an aegis over the left shoulder. The inclusion of the aegis, an attribute traditionally associated with Jupiter and Minerva, symbolically invested the emperor with divine protection and martial vigilance without directly violating the civic modesty expected of an imperial magistrate in Rome.

Reverse Iconography and Symbolism

The reverse design features the personification Pax seated upon an ornate throne facing left. In her outstretched right hand, she extends an olive branch, the universal classical symbol of peaceful intent, conciliation, and the cessation of armed conflict. In her left hand, Pax holds a vertical or slightly tilted sceptre, representing sovereignty, civil justice, and divine order under the Roman legal system. The figure is draped in a flowing stola, conveying dignity and maternal calm. Flanking Pax in the left and right fields or placed in the exergue is the prominent formula S C, an abbreviation for Senatus Consulto, certifying that the bronze coinage was issued under the formal sanction of the Roman Senate. This peaceful visual program carried deep ideological weight in AD 99 and 100. Trajan sought to reassure the senatorial aristocracy and the Roman citizenry that his extensive military career on the northern frontiers would not translate into despotic or bellicose domestic tyranny, but rather into secure civic tranquility guaranteed by imperial strength.

Epigraphy and Legend Structure

The legends of RIC II Trajan 413 follow the strict epigraphic conventions of Trajan's early reign, inscribed in neat, square Roman capital letters. The obverse legend reads IMP CAES NERVA TRAIAN AVG GERM P M, abbreviating Imperator Caesar Nerva Traianus Augustus Germanicus, Pontifex Maximus. This inscription emphasizes his status as supreme military commander (Imperator), his legitimate adoption by the deified Nerva (Nerva Traian), his imperial rank (Caesar and Augustus), his victory title earned on the Rhine under Nerva (Germanicus), and his role as head of the Roman state religion (Pontifex Maximus). The reverse inscription reads TR POT COS III P P S C. This legend records his tribunician power (Tribunicia Potestate), his third consulship (Consul Tertium), and his title of Father of the Fatherland (Pater Patriae), combined with Senatus Consulto. The third consulship, which Trajan assumed on January 1, AD 100, provides the definitive epigraphic boundary for this emission, while the absence of the numeral indicating a second bestowal of tribunician power on the reverse was standard practice in early Trajanic titulary formulas.

Typology and Chronology

In the standard reference framework of Roman Imperial Coinage, RIC II Trajan 413 forms an integral component of the early Group I bronze coinage minted between AD 99 and early 101. Bernhard Woytek's comprehensive monograph Die Reichspragung des Kaisers Traianus refines the chronological sequence of this period, classifying this issue within the early consulship phase spanning AD 99 to 100. The emergence of the COS III title on the reverse dates the emission specifically to the transition into and execution of Trajan's third consular year in AD 100, though preparation of dies likely commenced in late AD 99 upon his return to Rome. RIC II Trajan 413 is distinguished typologically from preceding issues bearing COS II and from subsequent emissions struck after Trajan entered his fourth consulship (COS IIII) in AD 101. It is closely related to parallel issues in silver, such as denarii portraying Pax, but the expansive brass flan of the sestertius allowed for an enriched artistic rendering of the seated goddess that became a benchmark for subsequent Trajanic bronze types.

Circulation and Archaeological Context

Once released from the mint at Rome, sestertii of RIC II Trajan 413 entered active circulation primarily across Italy and the western provinces of the Roman Empire, including Gaul, Hispania, Britain, and the Germanies. Archaeological hoard evidence and site finds demonstrate that large brass sestertii experienced protracted periods of utility, remaining in commercial use for decades. Due to their durable brass composition, many examples from this issue stayed in active circulation through the reigns of Hadrian, Antoninus Pius, and Marcus Aurelius, frequently accumulating heavy surface wear before eventual hoarding or loss. In western provincial contexts, Trajanic sestertii formed the core circulating base-metal stock of market towns, legionary fortresses, and rural vici. Hoards recovered from river deposits, military destruction layers, and urban commercial centers consistently show that coins of RIC II Trajan 413 circulated alongside earlier Flavian brass issues, serving as trusted, high-value currency for mid-level transactions until the systemic inflation of the late second and third centuries altered circulation dynamics.

References

1. Coins of the Roman Empire in the British Museum, Volume III: Nerva to Hadrian. London: British Museum Press, 1936
2. Online Coins of the Roman Empire: RIC II Trajan 413. ric.2.tr.413
3. The Roman Imperial Coinage, Volume II: Vespasian to Hadrian. p. 277, no. 413
4. Die Reichspragung des Kaisers Traianus (98-117) (Moneta Imperii Romani 14). Wien: Verlag der Osterreichischen Akademie der Wissenschaften, 2010