Trajan

Trajan, born Marcus Ulpius Traianus in Hispania Baetica, served as Roman emperor from 98 AD until his death in 117 AD. Remembered as one of the Five Good Emperors, he was officially acclaimed by the Roman Senate as Optimus Princeps, or 'best ruler.' Renowned as a brilliant military commander, Trajan expanded the Roman Empire to its greatest territorial extent through the conquest of Dacia, the annexation of Nabataea as Arabia Petraea, and sweeping campaigns against the Parthian Empire in Armenia and Mesopotamia. Beyond his martial achievements, Trajan was celebrated for civic philanthropy, extensive public works throughout Italy and the provinces, and respectful cooperation with the Senate.

Full Ruler History

Monetary Context and Denominational Function

Under the Roman Empire during the late first and early second centuries AD, the currency system functioned on a bimetallic and base-metal hierarchy anchored by the gold aureus and the silver denarius. The base-metal coinage, consisting of the orichalcum sestertius and dupondius alongside the pure copper as and quadrans, provided the essential transactional liquidity required for daily urban and regional commerce. Within this framework, the as was valued at four per denarius or sixteen to the sestertius, operating as the basic accounting unit for modest consumer purchases, domestic market trade, and small change in daily life. Trajan maintained the structural standards of the denomination established during the Augustan and Flavian periods, utilizing copper-alloy flans struck at an average theoretical weight of approximately 10 to 11 grams. The production of RIC II Trajan 434 during AD 101 and 102 coincided with heightened logistical expenditure surrounding the preparation and launch of the First Dacian War. Millions of base-metal pieces were struck in Rome to ensure an adequate supply of small change in the capital and to service imperial military encampments across the Danubian frontier, where soldiers required fractional coinages for daily sustenance and camp markets.

Production Standards and Mint Attribution

The entire regular emission of RIC II Trajan 434 was produced by the central imperial mint in Rome. During the reign of Trajan, the Rome mint was organized into distinct administrative workshops or officinae, each charged with engraving dies, preparing planchets, and striking specific denominations and metal series. Unlike silver denarii and gold aurei, which were struck with high precious-metal tolerances, aes coinage exhibited noticeable variation in flan preparation. Blank planchets were cast in multi-cavity moulds before being hammered between hardened bronze or iron dies. The obverse die was set into an anvil while the reverse die was mounted in a handheld punch, typically resulting in a consistent upright or inverted die alignment (roughly 6 or 12 o'clock). Struck in unalloyed copper or slightly leaded bronze alloys, these pieces generally measure between 26 and 28 millimetres in diameter. Surviving specimens show that while individual weights fluctuate between roughly 8.5 and 12.5 grams due to rapid cast-blank preparation, the mint maintained rigorous oversight of overall metal volume per bullion ingot to ensure proper fiscal accountability.

Obverse Iconography and Imperial Portraiture

The obverse of RIC II Trajan 434 features a right-facing, laureate head of Emperor Trajan, displaying the crisp, sober realism characteristic of early second-century Roman numismatic art. Following the ornate Flavian dynastic portraiture of Domitian and the brief transitional imagery of Nerva, Trajan's portraits adopted an austere, civic gravitas rooted in traditional Republican virtus. The emperor is depicted with a prominent profile, straight low-combed hair cut squarely across the forehead, a firm jawline, and focused eyes beneath a heavy brow. The laurel wreath encircling his head ties at the back of the neck with two ribbon ends falling downward. Die engravers occasionally rendered minor drapery on the far shoulder or depicted the neck and bust entirely bare, variations common to early Trajanic output that reflect workshop stylistic freedom rather than distinct denominational types. This portrait type, categorized in modern scholarship as part of Trajan's early official portrait series, visually communicated stability, military competence, and administrative discipline to a broad imperial audience.

Reverse Design and Iconographic Symbolism

The reverse iconography of RIC II Trajan 434 depicts Victory advancing briskly to the left. She is draped in long, flowing robes that billow behind her legs, accentuating her forward momentum. Her outspread wings frame the upper design field, while she holds out an oval or round shield in her right hand. The face of this shield is inscribed with the letters SPQR, standing for Senatus Populusque Romanus (The Senate and the Roman People). In her left hand, Victory typically holds a palm branch resting across her shoulder, an enduring classical attribute of triumph and divine favour. Flanking the lower central figure are the letters S and C in large field positions. This reverse composition carried strong ideological significance during AD 101 and 102. It announced to the Roman world that Trajan's military ventures against the Dacians were blessed by Victory and explicitly undertaken on behalf of, and with the full sanction of, the Roman Senate and citizenry. By presenting Victory offering the shield of the state, the type fused imperial military power with traditional constitutional legitimacy.

Epigraphy and Imperial Titulature

The inscriptions on RIC II Trajan 434 provide an explicit, chronological and legal record of Trajan's titles during the fourth year of his reign. The obverse legend reads IMP CAES NERVA TRAIAN AVG GERM P M, abbreviating Imperator Caesar Nerva Traianus Augustus Germanicus, Pontifex Maximus. This inscription declares his imperial status, honors his adoptive relationship with his predecessor Nerva, records the victorious title Germanicus awarded following campaigns along the Rhine, and confirms his role as supreme religious authority of Rome. On the reverse, the legend continues his civic and constitutional titles: TR POT COS IIII P P, representing Tribunicia Potestate, Consul Quartum, Pater Patriae. This record dates the issue firmly to Trajan's fourth consulship, assumed in AD 101, while acknowledging his renewal of tribunician power and the paternal title Pater Patriae. The central shield bears the epigraphic formula SPQR, while the field abbreviation S C stands for Senatus Consulto (by decree of the Senate), signifying the traditional authority under which base-metal coinage was formally issued.

Typological Classification and Chronological Placement

In the standard classification established in Roman Imperial Coinage Volume II by Harold Mattingly and Edward A. Sydenham, this issue is catalogued as RIC II Trajan 434. In Bernhard Woytek's comprehensive monograph Die Reichspragung des Kaisers Traianus (MIR 14), the issue is integrated into the fourth-consulship sequence spanning AD 101 to 102. The presence of the consular designation COS IIII, coupled with the absence of the title Dacicus (which Trajan did not accept until late in AD 102 following his victory over Decebalus), provides narrow chronological boundaries. RIC II Trajan 434 must be carefully distinguished from neighboring issues: RIC 417 and RIC 435 feature similar reverse motifs on dupondii or sestertii, while subsequent issues from AD 103 onward incorporate COS V and DACICVS. Minor die varieties exist regarding the shape of the shield, the presence of drapery on Trajan's shoulder, and slight shifts in legend breaks, yet all share the core typology of the advancing Victory carrying the SPQR shield within the COS IIII series.

Circulation, Hoards, and Archaeological Context

Archaeological excavation data and hoard analyses demonstrate that base-metal asses of Trajan enjoyed widespread, sustained circulation throughout the western and Danubian provinces, as well as the Italian peninsula. Unlike gold and silver coins, which were frequently hoarded in bulk savings deposits or exported beyond Roman borders to settle external balances, base-metal coins circulated heavily within internal market networks until their details were largely smoothed by wear. Excavations at military fortresses along the Rhine and Danube, such as Vindonissa, Carnuntum, and Novae, frequently uncover asses of Trajan from the COS IIII emission, reflecting troop disbursements during the Dacian mobilization. In western civil settlements across Roman Gaul, Britain, and Hispania, specimens of RIC II Trajan 434 continued in active circulation for decades, often persisting into the Antonine and Severan eras. Countermarks and severe circulation wear visible on archaeological finds testify to their prolonged utility in urban market stalls, public baths, and local taxation hubs.

Catalog Data

Ruler
TrajanNomisma
Denomination
Copper-alloy as
Material
Not recorded
Series date range

Authority and vocabulary links: Nomisma.org.

References

  1. Coins of the Roman Empire in the British Museum, Vol. III: Nerva to Hadrian. Trajan, Aes issues of the fourth consulship
  2. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. Trajan, no. 434, p. 276
  3. Online Coins of the Roman Empire: RIC II Trajan 434. ric.2.tr.434
  4. Die Reichspragung des Kaisers Traianus (98-117). Moneta Imperii Romani 14. Moneta Imperii Romani 14, emission sequence AD 101-102