Trajan Orichalcum Sestertius RIC II Trajan 534

Monetary Context and Imperial Policy

The sestertius held a foundational role in the Roman monetary system of the early second century AD, functioning as the primary high-value base-metal denomination for daily transactions, state payments, and military procurement. Valued at one quarter of a silver denarius or four copper asses, the sestertius was cast and struck in orichalcum, a golden-toned copper-zinc alloy that enhanced its visual prestige and durability. Under Trajan, the Roman treasury benefited enormously from the vast influx of bullion captured during the Dacian Wars, specifically the extensive gold and silver treasures of King Decebalus. This immense windfall funded sweeping architectural projects in Rome, public distributions, and an extensive restructuring of the empire's coinage. While the newly acquired precious metals were directed into widespread denarius and aureus emissions, Trajan's monetary administrators concurrently expanded base-metal production to circulate dynamic commemorative imagery. Large brass denominations like RIC II Trajan 534 were uniquely suited to ideological dissemination due to their broad surface area, allowing engravers to execute complex figurative scenes celebrating the emperor's victories.

Production Standards and Mint Operation

RIC II Trajan 534 was manufactured exclusively at the principal imperial mint in Rome, which operated under strict administrative supervision to supply coin across the Mediterranean basin. The physical standard for the Trajanic sestertius typically adhered to a target weight centering around 25 to 28 grams, with individual specimens fluctuating depending on flan preparation, alloy composition, and planchet trimming. Diameters generally ranged between 32 and 35 millimeters. Mint personnel prepared blanks by casting individual orichalcum flans in open molds, after which they were struck while slightly heated between engraved intaglio dies. Die axes were predominantly aligned close to six o'clock or twelve o'clock, reflecting the regulated practices of the Rome mint. The composition of orichalcum in this period typically contained approximately 15 to 20 percent zinc alloyed with copper, producing a distinct bright golden hue when freshly minted. This metallurgical characteristic set sestertii apart visually from the reddish copper of the smaller as and quadrans issues.

Obverse Iconography and Portraiture

The obverse of RIC II Trajan 534 presents a mature portrait of Trajan facing right, characterized by a dignified, unyielding profile that came to define high imperial portraiture. The emperor is shown laureate, his head adorned with a laurel wreath whose ribbons trail down the nape of his neck, signifying military triumph and divine favor. A light drapery is arranged over his left shoulder, introducing a classical military touch while preserving the strong muscularity of his neck and jaw. The portrait departs noticeably from the exaggerated verism of Flavian predecessors, emphasizing instead the serene, sober resolve of the soldier-emperor. Trajan's hair is combed forward in straight, orderly strands across his forehead in the classic Trajanic fashion. The bust is encircled by an extensive imperial title legend struck in neat, deeply engraved capitalis rustica lettering, contained within a beaded outer border.

Reverse Iconography and Propaganda

The reverse iconography of RIC II Trajan 534 features one of the most animated military scenes produced by the Rome mint. The composition portrays Trajan bare-headed in ornate Roman military armor, with his paludamentum or military cloak billowing outward behind his shoulders to convey rapid forward motion. Mounted atop a spirited horse galloping toward the right, the emperor raises a javelin or lance in his right hand, thrusting it downward in an act of decisive combat. Directly beneath and before the horse's raised hooves crouches a Dacian warrior, visually distinguished by foreign barbarian garb and long trousers. The defeated adversary appears falling backward or turning in futile defense, embodying the complete subjugation of the Dacian tribes. In the lower field or flanking the scene appears the senatorial formula S C, indicating Senatus Consulto. The surrounding legend, S P Q R OPTIMO PRINCIPI, links this triumphant scene directly to the honorific title of Best of Princes awarded by the Senate, reinforcing the balance of martial dominance abroad and civic legitimacy at home.

Inscriptions and Epigraphic Analysis

The obverse inscription reads IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS V P P, expanding to Imperatori Caesari Nervae Traiano Augusto Germanico Dacico, Pontifici Maximo, Tribunicia Potestate, Consuli Quintum, Patri Patriae. This sequence expresses Trajan's adoptive descent from the deified Nerva, his supreme title of Augustus, his formal victory titles of Germanicus and Dacicus, his religious role as Pontifex Maximus, his annual civil authority through the tribunician power, his fifth consulship, and his civic status as Father of the Country. The reverse bears the legend S P Q R OPTIMO PRINCIPI, expanding to Senatus Populusque Romanus Optimo Principi, translated as 'The Senate and the Roman People to the Best of Princes.' This dedication highlights the formal bestowal of the title Optimus by the Senate around AD 103, acknowledging Trajan's benevolence, administrative justice, and military protection. Flanking the main reverse device, the letters S C (Senatus Consulto) declare that the brass denomination was authorized through senatorial decree, preserving the traditional republican division of coinage governance.

Typology and Chronological Classification

Within the typology established by the Roman Imperial Coinage and refined in Bernhard Woytek's corpus 'Die Reichsprägung des Kaisers Traianus' (MIR 14), RIC II Trajan 534 corresponds to Woytek type 203b or neighboring emission groups struck during Trajan's fifth consulship. Trajan entered his fifth consulship on January 1, AD 103, and did not assume his sixth consulship until January 1, AD 112. The specific inclusion of the victory cognomen Dacicus on both the obverse legend and the equestrian reverse confirms that this issue was inaugurated after the conclusion of the First Dacian War in late AD 102 and continued through the Second Dacian War (AD 105 to 106) into the subsequent period of regional pacification up to AD 111. Numismatists distinguish RIC 534 from closely related equestrian sestertii by its exact combination of obverse bust drapery on the left shoulder and the precise epigraphic formula containing COS V without extended tribunician numbers. Minor engraver variants exist, particularly in the rendering of the fallen Dacian's posture, the folds of the emperor's cloak, and the spacing of the senatorial initials in the field or exergue.

Circulation, Hoards, and Archaeological Evidence

Trajan's brass sestertii circulated extensively throughout the western provinces, including Italia, Gallia, Hispania, Britain, and along the Rhine-Danube military frontiers. Because orichalcum sestertii possessed considerable purchasing power, they frequently remained in commercial circulation for decades, often exhibiting substantial surface wear before being deposited in emergency hoards or lost in domestic contexts. Archaeological finds across legionary camps in Moesia, Dacia, and Pannonia demonstrate that coins celebrating the Dacian campaigns were widely transported with military units engaged on the frontier. Over the course of the second century, these heavy brass pieces often suffered oxidation, developing dark green, brown, or variegated patinas depending on soil acidity and burial environment. Hoard evidence from Italy and the western frontiers confirms that Trajan's COS V sestertii remained active components of the circulating currency pool well into the Antonine and Severan eras, illustrating the immense volume and durability of the Rome mint's output during this expansive decade.

References

1. Coins of the Roman Empire in the British Museum, Vol. III: Nerva to Hadrian. pp. 177-179
2. Online Coins of the Roman Empire: RIC II Trajan 534. ric.2.tr.534
3. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. p. 280, no. 534
4. Die Reichsprägung des Kaisers Traianus (98-117). Moneta Imperii Romani 14, type 203