Domitian Copper As, RIC II, Part 1 (second edition) Domitian 550

Monetary and Economic Context

Under the Flavian dynasty, the imperial monetary system maintained the traditional Augustan denominations and metallic distinctions. The copper as functioned as the standard small unit of base-metal currency across the Roman Empire, pegged at four asses to one brass sestertius and sixteen asses to one silver denarius. While gold and silver served state disbursements, military salaries, and major transactions, base-metal coinage constituted the indispensable backbone of everyday retail commerce, local trade, and market liquidity. Domitian instituted notable reforms in the precious metal denominations early in his reign, particularly increasing the purity of the silver denarius in AD 82 before partially retrenching in AD 85. In contrast, the base-metal denominations remained relatively conservative in standard and production. Issues of the as, such as RIC II, Part 1 (second edition) Domitian 550, were struck in substantially pure copper rather than the orichalcum (brass) reserved for sestertii and dupondii. The issuance of vast quantities of base-metal currency fulfilled critical civilian and military supply demands across Italy and the western provinces, where monetization was deeply integrated into urban and military economies.

Mint Production and Metrology

The entire production of RIC II, Part 1 (second edition) Domitian 550 is attributed to the primary imperial mint at Rome. Although branch operations and western auxiliary mints operated during the civil wars of AD 68-69 and intermittently during the early Flavian period, Roman base-metal coinage was firmly centralized at the capital by the mid-80s AD. Striking base metal required heavy mechanical force, utilizing prepared circular planchets of copper that were heated and struck between hardened bronze or iron dies. In terms of metrology, Roman asses under Domitian were struck to a theoretical weight standard centering around 10 to 11 grams, with typical diameters ranging between 27 and 29 millimeters. However, ancient base-metal production permitted considerable weight tolerances (al marco striking), meaning individual surviving specimens can exhibit significant variations in mass and thickness without indicating a change in denomination. The mint employed multiple die pairs to sustain the volume of the issue, leading to minor variations in engraving style, spacing of the lettering, and proportional execution of the portrait and reverse figure.

Obverse Iconography

The obverse design displays the laureate head of Domitian facing right. Numismatic portraiture under Domitian developed through several stylistic phases, evolving from the naturalistic, somewhat stocky modeling characteristic of his father Vespasian and brother Titus to an increasingly idealized and regal depiction during the middle and late 80s AD. On issues of AD 87, Domitian is portrayed with pronounced Flavian facial features, including a strong jawline, a prominent nose, and neatly arranged curls crowned by a laurel wreath tied at the nape of the neck with fluttering ribbons. The laurel wreath functions as both a symbol of military triumph and an enduring emblem of imperial dignity. The portrait is framed by a continuous circular inscription beginning at the lower left and running clockwise around the border of dots.

Reverse Iconography and Symbolism

The reverse iconography of RIC II, Part 1 (second edition) Domitian 550 features the personification of Virtus, representing military valor, manly courage, and civic excellence. Virtus is depicted in heroic, semi-militant guise, standing facing right with her left foot elevated and resting upon a crested helmet placed on the ground. She wears a short tunic that leaves one breast bare in the manner of an Amazon, emphasizing martial vigor. In her hands, she carries traditional military attributes: an upright spear held in one hand and a sheathed parazonium (a ceremonial short sword or dagger associated with virtue and command) cradled in the other. Flanking the lower fields to the left and right of the central figure are the large letters S and C, denoting Senatus Consulto. This formulaic senatorial endorsement appeared on virtually all regular imperial aes coinage produced in Rome, affirming traditional constitutional propriety. The imagery served as direct political messaging, projecting the imperial virtus of Domitian following his military endeavors on the northern frontiers against Germanic tribes and along the Danube.

Epigraphy and Legends

The obverse legend reads IMP CAES DOMIT AVG GERM COS XIII CENS PER P P, representing an abbreviated Latin imperial formula: Imperator Caesar Domitianus Augustus Germanicus, Consul XIII, Censor Perpetuus, Pater Patriae. The inclusion of Germanicus commemorates his triumph over the Chatti in AD 83, an honorific title he adopted permanently. COS XIII indicates his thirteenth consulship, assumed on January 1, AD 87. CENS PER records his office of Censor Perpetuus (censor for life), which he assumed in late AD 85, a radical constitutional step that granted him permanent supervisory control over Roman public and private morals, as well as the senatorial order. P P stands for Pater Patriae (Father of his Country), a title accepted early in his reign. The reverse inscription reads VIRTVTI AVGVSTI, set in the dative case to express a dedication: 'To the Valor of the Emperor.' Combined with the formula S C in the field, the epigraphy systematically links imperial martial prowess with the institutional backing of the Roman state.

Typology and Chronological Classification

In the revised classification established by I. A. Carradice and T. V. Buttrey in RIC II, Part 1 (second edition), type 550 occupies a precise chronological position within the bronze issues of AD 87. The sequence of Domitian's coinage is anchored by consular dates recorded on the obverse. Domitian entered his thirteenth consulship in AD 87 and did not take up his fourteenth until AD 88, restricting coins bearing COS XIII without higher tribunician iterations strictly to AD 87. The Virtus standing right design was a staple reverse type across Domitian's bronze output, appearing on asses and dupondii over multiple successive years with varying consular numbers. RIC II, Part 1 (second edition) Domitian 550 is specifically differentiated from predecessor types (such as those bearing COS XII of AD 86) and successor types (bearing COS XIIII of AD 88) by its specific titular combination of COS XIII alongside CENS PER and the dedicated Virtus reverse.

Circulation and Archaeological Distribution

As base-metal small change, copper asses of Domitian circulated extensively throughout the western provinces of the Roman Empire, including Britannia, Gaul, the Rhine frontier, and the Iberian Peninsula, as well as throughout mainland Italy. Because low-denomination copper coins were not hoarded to the same degree as gold aurei or silver denarii, their primary archaeological recovery context is as stray losses in urban sites, military castra, and roadside settlements. Asses produced during the mid-reign of Domitian remained in active commercial circulation for decades, frequently surviving in use alongside Trajanic, Hadrianic, and Antonine bronze issues until excessive wear obliterated their legends. Countermarks are occasionally found on earlier Flavian aes, though regular issues of AD 87 from the Rome mint typically circulated on their intrinsic token authority without re-validation.

References

1. Coinage and Finances in the Reign of Domitian, A.D. 81-96. BAR International Series 178
2. Coins of the Roman Empire in the British Museum, Volume II: Vespasian to Domitian. Domitian Bronze Issues
3. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Domitian 550. ric.2_1(2).dom.550
4. The Roman Imperial Coinage, Volume II, Part 1: From AD 69 to 96, Vespasian to Domitian (Second Edition). p. 306, no. 550