Trajan Gold Aureus, RIC II Trajan 89 (aureus)

Monetary Context and Historical Setting

During the principate of Trajan, the gold aureus remained the highest denomination and the anchor of the Roman bimetallic and trimetallic currency system. Formally tariffed at twenty-five silver denarii or one hundred brass sestertii, the aureus provided an indispensable mechanism for high-level fiscal transactions, including imperial gratuities to the legions, administrative expenditures, and inter-provincial commerce. Trajan's accession in AD 98 initiated an era of military expansion, culminating in the Dacian Wars of AD 101 to 102 and AD 105 to 106. The subjugation of the Dacians and the eventual capture of the vast royal treasury of Decebalus, combined with the exploitation of rich Transylvanian gold mines, dramatically augmented the Roman treasury. Although the immense influx of bullion postdated the end of the second campaign, early victory issues such as RIC II Trajan 89 (aureus) began articulating the ideological significance of the conflict immediately after the conclusion of the initial phase. Struck within Trajan's fifth consulship, which commenced in AD 103, this aureus conveyed the message of Roman supremacy over northern barbarian adversaries to the senatorial elite, equestrian administrators, and provincial elites who handled gold coinage.

Production, Minting, and Metrology

The entire imperial gold coinage under Trajan was centralized at the primary mint of Rome. Production of aurei was governed by stringent institutional standards of weight and fineness overseen by the monetary magistrates and imperial procurators. Struck under the post-Neronian weight standard that had been stabilized during the Flavian era, Trajan's aurei were typically struck at a theoretical standard of 1/45th of a Roman pound, producing an average weight centered between 7.15 and 7.30 grams of high-purity gold approaching twenty-four carats. The dies for RIC II Trajan 89 (aureus) were engraved by master die-cutters at the capital, who exhibited high technical expertise in rendering intricate sculptural relief, crisp lettering, and anatomically precise figures. Die alignment for the series was predominantly adjusted to a regular vertical orientation, either twelve o'clock or six o'clock, characteristic of the orderly mechanical practices of the imperial Roman mint. Flan preparation involved cast spherical blanks that were hot-struck between engraved bronze dies, resulting in dense, durable gold planchets measuring approximately nineteen to twenty millimeters in diameter.

Obverse Iconography and Variations

The obverse of RIC II Trajan 89 (aureus) presents the mature portrait of Trajan facing right. The emperor is crowned with a laurel wreath whose ties hang neatly behind the nape of the neck. The portraiture embodies the veristic Roman tradition combined with idealized Augustan dignity: strong, angular facial features, a prominent straight nose, low forehead, and closely cropped hair brushed forward in parallel locks over the brow. In accordance with the formal catalogue definition, two subtle stylistic treatments of the bust exist within the type: Trajan may appear with a bare neck and truncated bust, or with modest drapery positioned upon the left shoulder. These bust variations reflect concurrent die production across multiple ateliers within the Rome mint rather than distinct chronological phases. The execution of the imperial profile conveys calm authority, sobriety, and military discipline, projecting the persona of the Optimus Princeps at the height of his administrative and martial vigor.

Reverse Iconography and Symbolism

The reverse iconography is dedicated entirely to the capitulation of Dacia. The central figure is a Dacian captive or mourning personification of the subdued territory, seated toward the right or left upon a large oval Roman or Dacian military shield. The figure exhibits classical postures of mourning and defeat, typically resting the head upon one hand or leaning forward with hands resting on the lap or supporting the body, evoking the established Hellenistic and Roman sculptural tradition of captive provinces. The captive is clothed in native barbarian attire, wearing long trousers known as braccae and a loose tunic, capturing the distinctive dress of the peoples north of the Danube. Positioned beneath the shield or resting against the ground line is a Dacian curved sword, often identified as the falx or curved sica, a weapon renowned for its lethal effectiveness against Roman legionary armor during the Danubian campaigns. By depicting the vanquished barbarian seated in despair on discarded armaments, the composition communicates complete pacification, imperial supremacy, and the restoration of Danubian frontier security.

Inscriptions and Epigraphy

The obverse legend reads IMP NERVA TRAIANVS AVG GER DACICVS, running clockwise along the border. The legend summarizes the emperor's official imperial titulature: 'Imperator Nerva Traianus Augustus, Germanicus, Dacicus.' The inclusion of 'Germanicus' recalls the victory title conferred in AD 97 during his association with Nerva, while 'Dacicus' represents the victory cognomen formally accepted by Trajan late in AD 102 following the capitulation of Decebalus. The reverse inscription bears the abbreviated formula P M TR P COS V P P, expanding as Pontifex Maximus, Tribunicia Potestate, Consul V, Pater Patriae. This concise sequence enumerates Trajan's principal constitutional offices and honors: Chief Priest, endowed with the ongoing Tribunician Power, holding his fifth consulship, and Father of his Country. Notably, the tribunician iteration is unnumbered in this specific issue, standard practice for many Rome mint issues during his fifth consulship. The epigraphy displays clean, classical serifed letterforms characteristic of the highest quality imperial engraving.

Typology and Chronological Classification

In the standard classification established by Harold Mattingly and Edward A. Sydenham in Roman Imperial Coinage, the type is catalogued as RIC II 89 for the aureus, sharing reverse iconography and legends with companion silver denarii catalogued separately under RIC II 96 through 99. The broad dating of AD 103 to 111 rests upon Trajan's fifth consulship, which commenced on January 1, AD 103, and remained his primary consular dating until he assumed his sixth and final consulship on January 1, AD 112. In modern numismatic scholarship, most notably Bernhard Woytek's Die Reichspragung des Kaisers Traianus (MIR 14), the chronology of the fifth consular issues has been refined significantly. Woytek classifies the mourning Dacian seated on shield aurei within his Group 4 and Group 5 issues, placing their initial striking predominantly between AD 103 and 107. This coincides with the interwar interval and the successful conclusion of the Second Dacian War, prior to the adoption of the reverse legend SPQR OPTIMO PRINCIPI, which gradually superseded the conservative P M TR P COS V P P formula from late AD 105 onward.

Circulation, Hoarding, and Monetary Function

Because gold aurei represented massive purchasing power equivalent to nearly a month's base salary for an imperial legionary, they did not circulate actively in day-to-day retail markets. Instead, aurei like RIC II Trajan 89 were employed for substantial payments, gifts, high-value commerce, and long-term wealth preservation. Consequently, specimens typically show limited frictional wear compared to contemporary silver and bronze denominations. Gold issues of Trajan were hoarded extensively both within the Italian peninsula and across the western and eastern provinces. Major hoards containing Trajanic aurei have been documented across Roman Gaul, Britain, the Iberian peninsula, and the Danubian frontier itself. Following Trajan's currency recoinage of pre-Neronian silver and worn Flavian issues around AD 107, freshly struck gold and silver permeated regional treasuries, solidifying the economic integration of the empire while serving as enduring ambassadors of Trajan's Danubian triumphs.

References

1. The Dating and Arrangement of the Undated Coins of Rome, A.D. 98–148. pp. 28–32
2. Online Coins of the Roman Empire: RIC II Trajan 89 (aureus). ric.2.tr.89_aureus
3. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. p. 250, no. 89
4. Die Reichsprägung des Kaisers Traianus (98–117), Moneta Imperii Romani 14. MIR 14, nos. 187–188