Trajan Sestertius, RIC II Trajan 604 (sestertius)

Monetary Context and Denominational Role

The sestertius stood as the premier base-metal denomination of the early and high Roman imperial monetary system established by Augustus. Struck in orichalcum, a golden-toned brass alloy composed primarily of copper with approximately ten to twenty percent zinc, the sestertius was valued at four copper asses, two orichalcum dupondii, or one quarter of a silver denarius. Because of its substantial module and physical weight, which averaged between twenty-four and twenty-eight grams, the denomination commanded significant purchasing power in daily commercial transactions throughout urban Italy and the provincial markets. Unlike the precious-metal aurei and denarii, which circulated heavily in military disbursements and state taxation, sestertii supplied essential liquidity for civic trade, market procurement, and contractual payments. The broad surface area of the sestertius made it the favored canvas for Roman administrative communication. Under Trajan, whose reign from AD 98 to 117 witnessed vast infrastructure projects and social programs funded in part by the immense treasures gained from the Dacian Wars, bronze coinage was deployed systematically to articulate civic beneficence. RIC II Trajan 604 (sestertius) falls squarely within this tradition, presenting the imperial welfare scheme known as the Alimenta directly to the public through everyday monetary exchange.

Production Standards and Minting Operations

All specimens of RIC II Trajan 604 (sestertius) were manufactured exclusively at the imperial mint in Rome. During the middle of Trajan's reign, the Rome mint was a highly structured, compartmentalized institution operating multiple officinae to meet the surging fiscal demands of the empire. Production of orichalcum coinage required careful metallurgic preparation, including the cementation process by which metallic copper was heated with zinc-bearing calamine ore to produce brass. Cast blanks were prepared in open or bivalve molds and adjusted individually to conform broadly to the imperial weight standard, though minor deviations were standard in ancient mass production. Once heated, the flans were struck between engraved iron dies using a manual hammer technique. Roman imperial bronzes of this era were typically struck with a regular six o'clock die orientation, though minor variations between five and seven o'clock occur due to the alignment practices of the mint workers. The dies for RIC II 604 display the refined naturalism and high relief characteristic of early second-century Roman numismatic art, with crisp lettering and balanced compositions executed by master engravers at the central mint.

Obverse Iconography and Imperial Portraiture

The obverse of RIC II Trajan 604 (sestertius) features an imposing portrait of Trajan facing right. The emperor is depicted wearing a laurel wreath tied at the nape of the neck with fluttering ribbon ends, symbolizing military triumph and divine favor. The bust exhibits a distinct style of drapery resting lightly on the left shoulder, a subtle heroic feature that differentiates this variety within the broader Trajanic bronze repertoire. The portraiture belongs to Trajan's mature 'Decennalia' and post-Dacian iconographic tradition, characterized by a firm jaw, aquiline nose, neatly arranged bangs brushed forward across the brow, and deeply set eyes conveying gravitas and resolute authority. Unlike the veristic portraits of the late Republic or the idealized classical elegance of the Julio-Claudian era, Trajanic portraits project energetic civic realism combined with supreme command. The deep cutting of the facial musculature and laurel leaves exemplifies the apex of Roman monumental coin engraving under the middle Principate.

Reverse Design and the Alimenta Theme

The reverse iconography directly illustrates the imperial welfare program known as the Alimenta Italiae, inaugurated under Nerva and greatly expanded by Trajan. The central figure is a draped female personification, identified in numismatic scholarship variably as Abundantia, Annona, or a personification of Imperial Beneficence. She stands facing, with her head turned to the left, holding two ears of grain in her lowered right hand over a small child who stands at her side. In her left arm, she cradles a cornucopiae laden with fruits, symbolizing the endless prosperity guaranteed by the emperor. The child, depicted as a young boy wearing a toga, reaches forward toward the ears of corn while holding a rolled manuscript or scroll in his left hand. This scroll represents the legal record or public roll of eligible freeborn children enrolled in the alimentary foundation. In the field, the large capital letters S C flank the central figure, while the exergue bears the abbreviated legend ALIM ITAL. The composition visualizes the state's paternalistic duty toward Italian youth, balancing imperial piety, agricultural renewal, and public security in a singular, poignant tableau.

Inscriptions and Epigraphy

The inscriptions on RIC II Trajan 604 (sestertius) provide crucial chronological, constitutional, and thematic documentation. The obverse legend reads IMP CAES NERVAE TRAIANO AVG GER DAC P M TR P COS VI P P, rendered in the dative case to indicate that the coinage was struck in honor of the emperor by the Senate and the Roman people. The titles denote Imperator, Caesar, Son of Nerva, Traianus, Augustus, victor over the Germans (Germanicus) and the Dacians (Dacicus), Pontifex Maximus, invested with Tribunician Power, Consul for the sixth time (COS VI), and Father of the Fatherland (Pater Patriae). On the reverse, the circumferential legend reads S P Q R OPTIMO PRINCIPI, expanding to 'Senatus Populusque Romanus Optimo Principi' ('The Senate and the Roman People to the Best of Princes'), an appellation formally bestowed upon Trajan to signal senatorial harmony. In the exergue, the formula ALIM ITAL abbreviates 'Alimenta Italiae' ('Nourishment of Italy'), clearly identifying the policy being celebrated. The large letters S C in the reverse field abbreviate 'Senatus Consulto' ('By Decree of the Senate'), affirming the traditional constitutional authority under which base-metal coinage was issued in the capital.

Typology and Chronological Placement

The dating of RIC II Trajan 604 (sestertius) is established primarily through Trajan's consular titulature and the historical evolution of his reverse types. Trajan entered his sixth and final consulship on January 1, AD 112, establishing a firm terminus post quem for the series. The issue continued in production until late AD 114, when the imperial mint introduced the title 'Optimus' as an official cognomen within the primary imperial titulature on the obverse, replacing the earlier dative formula. In Bernhard Woytek's comprehensive monograph 'Die Reichsprägung des Kaisers Traianus', this type is classified under issue group MIR 14, no. 468v, dating specifically to the AD 112 to 114 operational period of the Rome mint. RIC II 604 belongs to a broader family of Alimenta coinages struck in gold, silver, and bronze, yet the sestertius is distinguished by its specific drapery variant on the left shoulder and the precise compositional balance of the standing Abundantia and the togate boy. Numismatists distinguish this specific catalogue type from earlier AD 103 to 111 sestertii that also celebrated the Alimenta but featured Trajan's fifth consulship (COS V) and differing portrait arrangements.

Circulation Patterns and Archaeological Context

Although minted exclusively at Rome, RIC II Trajan 604 (sestertius) circulated extensively across the western and central provinces of the empire. Sestertii of Trajan formed the backbone of Roman large-bronze circulation throughout the second century AD, frequently remaining in active commercial use for generations. Archaeological evidence from coin hoards, river finds, and settlement excavations reveals that Trajanic sestertii traveled along major military highways and river trade routes into northern Italy, Gaul, the Rhine frontier, and the Danubian provinces. Due to their durable brass composition, many examples endured substantial wear before being deposited or withdrawn during the economic dislocations of the third century AD. Excavated specimens frequently exhibit smooth, olive-green or dark brown patinas resulting from varied soil chemistry across continental Europe. The widespread dispersal of these sestertii ensured that Trajan's social policies, particularly the support of Italian families and agriculture, became well known even in distant provincial communities where the physical presence of the emperor was rarely experienced directly.

References

1. Coins of the Roman Empire in the British Museum, Vol. III: Nerva to Hadrian. pp. 209-210, nos. 973-976
2. Online Coins of the Roman Empire: RIC II Trajan 604 (sestertius). RIC II Trajan 604
3. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. p. 287, no. 604
4. Die Reichsprägung des Kaisers Traianus (98-117). MIR 14, no. 468v