Domitian Bronze As, RIC II, Part 1 (second edition) Domitian 418

Monetary Context and Reform under Domitian

During the reign of Domitian (81 to 96 AD), the Roman imperial monetary system underwent profound administrative and metallurgical changes. In 82 AD, Domitian initiated a major currency reform that substantially raised the purity and weight standards of both silver denarii and gold aurei, reversing earlier Flavian debasements and aligning his coinage closer to Augustan standards. Although base-metal coinage in orichalcum and copper was not subject to the same precious-metal adjustments, it was integrated into a carefully supervised imperial economy designed to signal institutional order and prosperity. The as served as the standard workhorse unit of Roman base-metal daily exchange. Valued at one-fourth of a brass sestertius, one-half of a dupondius, and one-sixteenth of a silver denarius, the copper-alloy as circulated widely throughout Italy and the western provinces to meet routine commercial transactions, military pay supplements, and localized market purchases. The striking of RIC 418 in 85 AD coincided with Domitian's consolidation of power, as he assumed the unprecedented title of perpetual censor, enabling him to oversee public morals, senatorial membership, and imperial administration without term limits.

Production and Mint Organization

The entire regular production of base-metal coinage bearing this design was concentrated at the central mint of Rome. Operating under imperial oversight while preserving the traditional senatorial sanction reflected in the reverse legend abbreviation S C, the Rome mint was divided into multiple distinct workshops or officinae. These workshops maintained meticulous standards of engraving, flan preparation, and die alignment. Flans for the as were typically cast as blank discs in copper or bronze before being struck between engraved iron dies. Domitianic mint administrators maintained high technical standards for die cutting, characterized by bold, sculptural portraiture, crisp lettering, and intricate architectural detail on reverses. The reverse die for RIC 418 demanded exceptional engraving skill, requiring the precise rendering of fine architectural details, including four individual steps, four raised door panels, miniature lion-head knockers, fluted pilasters, and curved acroteria or altar horns. While exact metallurgical compositions varied slightly across batches, regular asses of this issue were manufactured using predominantly unalloyed copper or low-tin bronze, distinguishing them from the golden-yellow brass of the contemporary dupondius.

Obverse Iconography and Attributes

The obverse of RIC 418 depicts the bust of Domitian facing right, crowned with a laurel wreath and adorned with an aegis. The imperial portrait illustrates the mature, idealized style favored by the Flavian court by the mid-80s AD, combining individual facial traits such as a prominent jaw, strong nose, and receding hairline with classical grandeur. The inclusion of the aegis, a divine breastplate or shoulder mantle associated in Greco-Roman myth with Jupiter and Minerva, represents a powerful iconographic statement. Domitian held a deep personal devotion to Minerva, viewing her as his divine patroness and protector. By depicting the aegis draped over his shoulder or chest, the die engravers explicitly linked the emperor to divine invulnerability and heavenly favor. The laurel wreath further reinforces his victorious prestige, particularly celebrating his campaigns against the Germanic Chatti that had earned him the formal agnomen Germanicus in late 83 AD.

Reverse Iconography: The Altar of Salus

The reverse displays a monumental rectangular altar, approached by a flight of four distinct steps. The facade of the altar structure features an elaborate set of closed folding doors divided into four decorative panels, each fitted with a central lion-head ring knocker. The central portal is framed by vertical pilasters, and the upper cornice is crowned by prominent horns or ornamental volutes on the corners. This structure represents an altar dedicated to Salus Augusti, the personification of the well-being and security of the emperor. In Roman public religion, the health of the princeps was intimately bound to the preservation of the state itself (Salus Publica). The closure of the altar doors conveys safety, inviolability, and the successful containment of internal and external threats. Architectural altars of this kind were periodically dedicated in Rome to commemorate imperial survival, recover from illness, or give thanks following the suppression of conspiracies and foreign perils. Flanking the altar, the letters S and C (Senatus Consulto) signify that the bronze coinage was officially struck pursuant to a decree of the Senate.

Inscriptions and Epigraphy

The obverse inscription reads IMP CAES DOMIT AVG GERM COS XI CENS PER P P, representing an expansive epigraphic summary of Domitian's imperial titles in late 85 AD. Unpacked, it stands for Imperator Caesar Domitianus Augustus Germanicus, Consul Undecimum, Censor Perpetuus, Pater Patriae. The inclusion of Germanicus records his military victory over the Chatti. COS XI dates the issue to the year of his eleventh consulship, which commenced on January 1, 85 AD. Crucially, CENS PER denotes his elevation to Censor Perpetuus. Domitian had assumed the censorship with the preliminary title of Censor Potestate (CENS POT) earlier in the spring or summer of 85 AD, but altered his titulature to perpetual censor around autumn of that year, establishing a precise terminus post quem for the striking of this legend. On the reverse, the dedicatory inscription SALVTI AVGVSTI is in the dative case, meaning 'To the Health of the Augustus'. Combined with S C in the field, the complete reverse message proclaims that the Senate has decreed this monument and coin issue in honor of the imperial well-being.

Typology and Chronological Placement

RIC II, Part 1 (second edition) Domitian 418 belongs to a tightly dated group of bronze issues struck exclusively in the latter half of 85 AD. The combination of COS XI and CENS PER restricts the production window to the period following his assumption of the perpetual censorship in late 85 AD and prior to the commencement of his twelfth consulship (COS XII) on January 1, 86 AD. In the updated standard catalog of the Roman Imperial Coinage (RIC II, Part 1, 2nd edition, edited by Carradice and Buttrey), this specific entry is defined by the exact combination of the obverse legend ending in CENS PER P P, the bust right with laurel wreath and aegis, and the reverse altar type with four steps and paneled doors. It is distinguished from closely related contemporary issues, such as RIC 419 (which bears a laureate head without the aegis) or earlier 85 AD issues that feature the transient legend CENS POT. The altar motif was struck across both as and dupondius denominations, but the as is typologically characterized by the laureate bust rather than the radiate crown used to distinguish the brass dupondius.

Circulation and Archaeological Distribution

As base-metal currency, asses of Domitian circulated widely throughout the western territories of the Roman Empire, where the supply of low-value bronze was critical for sustaining market integration, urban transactions, and military supply chains. Archaeological findspots across Italy, the Rhine frontier, the Danube limes, and the province of Britannia attest to the heavy movement of Flavian copper coinage. While precious-metal denarii and aurei of Domitian were frequently withdrawn or remelted in later reigns due to their unusually high silver and gold purity, base-metal copper asses remained in circulation for decades. Wear patterns on recovered archaeological specimens show that asses struck in 85 AD continued to change hands well into the reigns of Trajan, Hadrian, and even the Antonines, gradually losing surface detail until their eventual burial in domestic deposits or regional hoards.

References

1. Coins of the Roman Empire in the British Museum, Volume II: Vespasian to Domitian. pp. 360-375
2. Coinage and Finances in the Reign of Domitian, A.D. 81-96. British Archaeological Reports International Series 178
3. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Domitian 418. Type record ric.2_1(2).dom.418
4. The Roman Imperial Coinage, Volume II, Part 1: From Vespasian to Domitian (AD 69-96). pp. 296-304, no. 418