Trajan Gold Aureus RIC II Trajan 78

Monetary Context and Imperial Policy

Under the emperor Trajan, Roman imperial coinage experienced substantial growth in volume and ideological ambition, fundamentally catalyzed by the conquest of Dacia. The conflicts of AD 101 to 102 and AD 105 to 106 led to the formal incorporation of Dacia as an imperial province and delivered an unprecedented quantity of bullion to the imperial treasury in Rome. Ancient accounts, such as those preserved in fragments of Cassius Dio and John Lydus, record immense quantities of gold and silver seized from the realm of King Decebalus. This massive influx enabled the central government to finance sweeping civil infrastructure, establish charitable foundations such as the alimentary schemes, and execute an extensive overhaul of the imperial currency. The gold aureus functioned as the highest regular denomination in the Roman monetary system, standing at the apex of an integrated bi-metallic and tri-metallic structure alongside the silver denarius and base-metal aes coinages. Fixed at an exchange rate of twenty-five denarii or one hundred sestertii, the aureus was rarely utilized in daily retail commerce. Instead, it moved through major economic channels, such as state donatives to the military, administrative expenditures, high-value commercial transactions, and elite wealth accumulation. The emission of RIC II Trajan 78 formed part of an aggressive monetized public relations program designed to broadcast Roman military supremacy, justify the fiscal expenditures of the frontier wars, and assure both the Senate and the populace of sustained imperial security and prosperity.

Production, Metrology, and the Rome Mint

All official gold and silver strikings of this type were produced under tight central oversight at the primary imperial mint in Rome. During the early second century AD, the Rome mint was operated by a structured hierarchy of engravers, flan casters, and strikers working within dedicated administrative officinae. Metallurgical analyses of early second-century aurei confirm that the gold used for Trajan's coinage maintained an extraordinary level of fineness, routinely exceeding 98 to 99 percent pure metal. In terms of weight metrology, Trajan maintained the standard established by the reforms of Nero in AD 64, striking aurei at an operational standard of 1/45 of a Roman pound (libra), yielding a theoretical mean weight of approximately 7.28 grams, though observed specimens typically cluster between 7.15 and 7.35 grams due to minor manufacturing tolerances and subsequent wear. The flans for these coins were cast in individual open molds before being struck between engraved iron or bronze dies at elevated temperatures. The execution of the dies for RIC II Trajan 78 reflects the height of the early second-century Roman classicizing style, characterized by crisp, dignified portraiture, restrained musculature, and balanced compositional space on the reverse. The high relief of the aureus dies required substantial striking force, often achieved using heavy sledgehammers swung by trained mint workers, which occasionally produced minor radial die cracks or gentle flow lines along the perimeter of the coin blanks.

Obverse Design and Portraiture

The obverse of RIC II Trajan 78 features a right-facing portrait of Trajan wearing a laurel wreath, terminating in fluttering ties behind the nape of the neck. The portrait exhibits the mature, realistic, and sober physiognomy that came to define the official image of the Optimus Princeps. Trajan is shown with his characteristic hairstyle of straight, low-cut bangs combed forward over the brow, a firm jawline, prominent cheekbones, and an unyielding, determined expression that deliberately evoked the traditional Republican virtues of gravitas and auctoritas. Unlike the ornate, idealized, or heroic Hellenistic styles favored by some Julio-Claudian rulers, Trajanic portraiture under the fifth consulship projected the image of a seasoned general and steadfast civil magistrate. Although the principal listing for RIC II Trajan 78 denotes the head laureate facing right with a bare neck and truncation, minor die varieties exist within the broader issue across different dies, with some variants exhibiting drapery upon the left shoulder or draped and cuirassed busts in parallel catalogued entries. The obverse die was consistently surrounded by a neatly executed beaded border, framing the imperial legend cleanly against the smooth field of the planchet.

Reverse Iconography: The Mourning Dacian

The reverse design of RIC II Trajan 78 provides an explicit artistic manifestation of conquered territory through allegorical personification and narrative pathos. A Dacian captive is depicted seated upon a low heap of captured arms and armor, leaning forward in an unmistakable attitude of mourning and dejection. The captive is typically represented wearing distinctive northern barbarian attire, including trousers (braccae), a long-sleeved tunic, and occasionally a loose cloak or a native soft pileus cap, signifying aristocratic status among the Dacian elite (the pileati). His head rests pensively upon one hand or bows deeply in defeat, while the other arm rests limply upon his knee or against the mound of seized weaponry. The underlying pile of captured arms includes characteristic Dacian panoply: curved swords or scythes known as the falx, oval and hexagonal shields decorated with native geometric motifs, suits of scale or mail armor, and occasionally the carnyx or the draco battle standard. This compositional type belongs to an established Roman numismatic lineage that visualizes victory not merely by depicting the triumphant emperor or the goddess Victoria, but by confronting the viewer with the profound psychological subjugation of the enemy. By placing the defeated barbarian in isolation upon the detritus of his own shattered military equipment, the die engravers communicated the total collapse of Dacian sovereignty and the undisputed pacification achieved by Rome.

Inscriptions and Imperial Titulature

The legends on RIC II Trajan 78 are executed in classical capitalis monumentalis lettering and provide precise epigraphic coordinates for understanding Trajan's official public identity during this issuance. The obverse carries the uninterrupted inscription IMP CAES NERVA TRAIAN AVG GERM, reading clockwise from the lower left. This legend translates the core components of Trajan's imperial titles: Imperator (military commander and traditional praenomen of rule), Caesar (dynastic title linking him to the imperial house), Nerva (the nomen of his divine adoptive father), Traianus (his personal cognomen), Augustus (the venerable title of sovereign power), and Germanicus (the victory title bestowed upon him in AD 97 during his operations on the Rhine frontier). Notably absent from this specific obverse legend is the victory title Dacicus, which was instead elevated to a prominent position on the reverse. The reverse inscription reads DACICVS COS V P P, forming a unified ideological statement around the seated captive. Dacicus overtly celebrates his triumph over the Dacian kingdom, a title formally accepted by the emperor late in AD 102 following the conclusion of the initial campaign. COS V confirms that the issue was struck while Trajan held his fifth consulship, which commenced on January 1, AD 103, and was held continuously until his sixth consulship began on January 1, AD 112. The concluding abbreviation P P designates Pater Patriae (Father of His Country), an honor Trajan accepted in AD 98. The conscious transfer of Dacicus to the reverse juxtaposes the emperor's earned military glory directly with the visual imagery of the grieving barbarian captive.

Typology, Variants, and Chronological Framework

In the fundamental typology established by Harold Mattingly and Edward A. Sydenham in Roman Imperial Coinage, RIC II Trajan 78 is grouped among the extensive series of fifth-consulship gold coinages struck between AD 103 and 111. Modern research by Bernhard Woytek in his definitive corpus Die Reichspragung des Kaisers Traianus (MIR 14) has refined the absolute and relative chronology of this decade. Woytek categorizes the issue under his broader fifth-consulship groupings, distinguishing multiple emission phases based on subtle shifts in portrait treatment, legend breaks, and reverse details. While RIC II 78 represents the standard aureus featuring the laureate head right and the mourning Dacian seated on arms, closely related gold and silver types present variations in the captive's stance, including types where the captive sits on the ground beside a trophy rather than directly atop a mound of weapons (such as RIC II 79, 98, and 100), or where the personification of Dacia is shown standing or seated beside military trophies. Furthermore, parallel denarii were struck utilizing an identical reverse concept, though often adapted to the smaller flan size of the silver denomination. The dating boundary of AD 103 to 111 is firmly delimited by the entry into Trajan's fifth consulship in 103 and the formal assumption of the sixth consulship in early 112. Within this period, scholars generally assign the peak production of the Dacicus mourning-captive aurei to the immediate aftermath of the Second Dacian War (circa AD 106 to 108), when the influx of captured bullion coincided with Trajan's grand triumph and widespread distribution of gold donatives to the legions and Roman citizenry.

Circulation Patterns and Hoard Evidence

As an elite gold denomination, aurei of the RIC II Trajan 78 type circulated across different geographic zones and operational spheres than the daily billon and bronze coinages. Hoard evidence from across the Roman Empire, including notable deposits discovered in Italy, the Gallic provinces, the Balkan frontier, and the Near East, indicates that Trajanic gold coins enjoyed widespread geographic dispersion and prolonged circulation lives. Because the purity and weight of Trajan's aurei were maintained at a very high standard, they were actively retained in commercial circulation alongside earlier Flavian gold and later Hadrianic and Antonine issues. Unlike base-metal coins, which often remained confined to specific regional administrative districts, gold aurei moved freely along long-distance military supply routes and commercial arteries. They frequently appear in military base contexts along the Danube and Rhine frontiers, reflecting state disbursements to officers and legionary troops. Many specimens show modest to moderate high-point surface wear on the hair curls and the knees of the captive, demonstrating that they changed hands for multiple decades before being hoarded in times of crisis, such as the Marcomannic Wars under Marcus Aurelius or the military convulsions of the third century. Later in the third century, substantial numbers of these sound early second-century aurei were systematically melted down and reminted as debased gold quinarii and antoniniani, making preserved high-grade specimens valuable historical witnesses to Trajan's monetary administration.

References

1. Coins of the Roman Empire in the British Museum (BMCRE), Volume III: Nerva to Hadrian. Trajan, nos. 140-145
2. Online Coins of the Roman Empire: RIC II Trajan 78. RIC II Trajan 78
3. Untersuchungen zur romischen Reichspragung des zweiten Jahrhunderts, Teil I: Trajan. pp. 64-78
4. Die Reichspragung des Kaisers Traianus (98-117) (MIR 14). Woytek 165f / 215f