Trajan Gold Aureus, RIC II Trajan 142 (aureus)

Monetary Context and Historical Setting

During the principate of Trajan, the gold aureus served as the cornerstone of the Roman imperial monetary system, functioning alongside the silver denarius and base-metal denominations. Valued at twenty-five denarii or one hundred sestertii, the aureus provided an essential medium for state expenditures, especially military disbursements, civic donatives, and international commerce. The issue catalogued as RIC II Trajan 142 fits squarely within the energetic territorial expansions of the first decade of the second century AD. Following the conclusion of the Dacian Wars, Roman forces under Aulus Cornelius Palma, governor of Syria, annexed the client kingdom of Nabataea in AD 106, transforming the territory into the new imperial province of Arabia Petraea. The accession of this wealthy territory, which dominated the lucrative incense, spice, and regional caravan routes connecting southern Arabia to the Mediterranean ports, prompted an extensive celebratory campaign across all metals at the Rome mint. In the gold coinage, the celebration of provincial integration merged with the senate's acclamation of Trajan as Optimus Princeps, projecting an image of stable prosperity achieved through military competence and administrative order.

Mint Organization and Production Standards

Numismatic consensus securely attributes RIC II Trajan 142 to the principal imperial mint situated in Rome. During the middle Trajanic period, the Rome mint operated under a highly organized system of officinae capable of mass-producing gold, silver, and bronze issues concurrently. Aurei of this period adhered to the reformed weight standard established during Nero's monetary reform of AD 64, which targeted a theoretical weight of 1/45th of a Roman pound, translating to roughly 7.28 grams, struck in gold of exceptional fineness exceeding ninety-eight percent purity. Individual specimens of RIC II Trajan 142 fluctuate around this median due to ancient minting tolerances and subsequent circulation wear. Production involved cast flans hammered between engraved iron dies, with careful quality control applied to the portraiture and imperial titulature. Die-link studies across Trajanic gold indicate that reverse dies depicting Arabia were paired with multiple obverse portrait dies, showing that this thematic issue was struck in considerable volume as part of Trajan's expansive fifth-consulship gold issues.

Obverse Typology and Imperial Portraiture

The obverse of RIC II Trajan 142 presents a dignified imperial portrait of Trajan facing right. The emperor is depicted wearing a laurel wreath, with drapery visible on his bust, often executed with drapery gathered predominantly across the left shoulder or across both shoulders depending on the engraver's die execution. Trajan is portrayed with characteristic features of his mature imperial iconography: a low brow, straight combed hair typical of the adoptio portrait tradition, a prominent Roman nose, and a firm jawline projecting military gravitas. Unlike the idealized classicizing portraits of Augustus or the heavy realism of the Flavians, Trajanic obverse portraiture on the gold issues struck between AD 103 and 111 balances vigorous physical authority with civic decorum. The engraving exhibits meticulous attention to the laurel ties descending behind the neck and the naturalistic rendering of facial planes, underscoring the high technical skill of the engravers active at the Rome mint during this period.

Reverse Iconography and Symbolism

The reverse design of this aureus depicts a personification of the newly acquired province of Arabia. She stands draped, facing left, holding an olive branch or leafy spray in her extended right hand, lowered toward a small dromedary camel that walks left before her. In her left arm, she holds upright a bundle of aromatic cinnamon or frankincense reeds, which were renowned exports of the Arabian trade network. The visual composition integrates several layers of imperial messaging. The olive branch signifies peaceful submission and the pacification of the region under Roman rule, while the miniature camel serves as an unmistakable geographic and cultural attribute of the Levant and the Arabian desert. The bundle of aromatic botanical goods highlights the economic bounty and luxury commodities that would henceforth flow into the Roman fiscal system. While closely related conceptually to the issues bearing the explicit legend ARABIA ADQVISITA, this type uses the generic Optimo Principi legend, attributing the blessings of territorial addition directly to the personal virtue and good governance of the emperor.

Epigraphy and Titulature

The epigraphy on RIC II Trajan 142 documents Trajan's accumulating honors and administrative offices with rigorous precision. The obverse legend reads IMP TRAIANO AVG GER DAC P M TR P, an abbreviated Latin formula expanding to Imperatori Traiano Augusto Germanico Dacico, Pontifici Maximo, Tribunicia Potestate. This inscription addresses Trajan in the dative case as the recipient of honors, acknowledging his supreme military titles as victor over the Germans and the Dacians, alongside his sacred position as chief priest and holder of tribunician power. The reverse inscription continues this syntactic dedicatory phrase with COS V P P S P Q R OPTIMO PRINC, expanding to Consuli Quinto, Patri Patriae, Senatus Populusque Romanus Optimo Principi. Translated collectively with the obverse, the legends record that the Senate and the Roman People dedicate this issue to the Emperor Trajan Augustus, conqueror of Germany and Dacia, Pontifex Maximus, invested with tribunician power, consul for the fifth time, father of his country, the best of princes. The execution of the letters is strictly classical, featuring clear serifs and well-proportioned spacing conforming to the highest imperial epigraphic standards.

Typological Placement and Chronological Framework

RIC II Trajan 142 belongs to Trajan's expansive fifth-consulship coinage, struck between AD 103 and 111. While his fifth consulship commenced on 1 January AD 103 and his sixth consulship did not begin until AD 112, the specific reverse iconography provides a firm terminus post quem. Because the annexation of the Nabataean kingdom took place in the spring of AD 106, this Arabia type could not have been conceived or struck before that year. Numismatist Bernhard Woytek, in his comprehensive classification of Trajan's coinage, places this type within the output of the Rome mint dating between AD 107 and 108, following the consolidation of the province and Trajan's second Dacian triumph. Within the Roman Imperial Coinage cataloguing system, number 142 distinguishes the aureus denomination bearing this reverse composition from companion silver denarii and bronze denominations sharing similar iconography, as well as from contemporary aurei bearing the explicit inscription ARABIA ADQVISITA in the exergue.

Circulation and Hoard Evidence

As high-value gold currency, aurei of RIC II Trajan 142 circulated within elite financial networks, military pay chests, and large-scale merchant exchanges rather than mundane retail transactions. Gold coins of Trajan experienced extensive longevity, circulating across the Roman world throughout the second and into the third century AD. Because Trajan maintained a reliable gold standard, earlier aurei of this issue were frequently hoarded during subsequent periods of monetary instability. Specimens of Trajan's fifth-consulship gold have been discovered in major hoards across the Mediterranean, the Gallic and Germanic frontiers, and even beyond the imperial borders in India, where Roman aurei were traded for silks, spices, and gemstones. Wear patterns observed on surviving specimens range from minimal wear in early deposits to smoothed high points on coins that remained in long-term circulation until the debasements of the Severan era, illustrating the vital economic role played by Trajanic gold in domestic and interprovincial trade.

References

1. The Roman Aurei: An Exhaustive Catalogue of Roman Gold Coins. Vol. I, no. 993
2. Online Coins of the Roman Empire: RIC II Trajan 142 (aureus). ric.2.tr.142_aureus
3. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. p. 254, no. 142
4. Untersuchungen zur römischen Reichsprägung des zweiten Jahrhunderts, Teil I: Die Reichsprägung zur Zeit des Traian. Strack 137
5. Die Reichsprägung des Kaisers Traianus (98-117) (Moneta Imperii Romani 14). MIR 14, type 290f