Commodus

Commodus, born Lucius Aurelius Commodus in AD 161, was Roman emperor from AD 177 until his assassination on 31 December AD 192. The son of Marcus Aurelius and Faustina the Younger, he was the first emperor born in the purple since Titus and the first to inherit the imperial throne directly from his biological father since Domitian. After ruling jointly with his father until AD 180, his sole reign brought an end to the Pax Romana. Characterized by increasing autocracy, personal eccentricities, and severe conflict with the senatorial aristocracy, Commodus promoted a distinct personality cult identifying himself as Hercules before being assassinated by palace conspirators in AD 192.

Full Ruler History

Monetary Context and Denominational System

The silver denarius functioned as the cornerstone of the Roman imperial monetary economy during the high empire, serving as the principal medium for military pay, state administration, and interregional trade. Under the reign of Commodus (AD 177 to 192), the imperial denarius continued along the broad inflationary and metallic trajectory established during the reign of his father, Marcus Aurelius. Economic pressures exacerbated by protracted northern frontier conflicts, plague outbreaks, and rising administrative costs placed sustained demands on the imperial fiscus. To meet these expenditures, imperial authorities periodically lowered the metallic fineness and standard weight of the denarius rather than reducing state disbursements. By AD 185, the silver content of the denarius had declined noticeably from the benchmarks established during the reigns of Trajan and Antoninus Pius. Metallurgical investigations of the Antonine coinage reveal that while Trajanic and early Antonine denarii frequently maintained silver finenesses near eighty percent, issues struck in the mid-180s AD fluctuated closer to seventy-five percent or lower, coupled with a target struck weight averaging approximately 2.9 to 3.2 grams. Denarii such as RIC III Commodus 126 represented an important transactional coin within this bimetallic and trimetallic system, circulating alongside brass sestertii and dupondii, copper asses, and the premier gold aureus, which was struck at forty-five to forty-six to the Roman pound. The production of the denarius in massive volumes satisfied continuous obligations to legionary units across Europe, the Near East, and North Africa, where silver was the required vehicle for soldier stipends and discharge bounties.

Mint Organization and Production Techniques

During the reign of Commodus, the striking of silver denarii remained highly centralized at the imperial mint in the capital city of Rome. The vast infrastructure of the Rome mint operated under the oversight of an imperial procurator, staffed by specialized metallurgical artisans, engravers (scalptores), flan casters, and hammerers (suppostores and malleatores). The production technique adhered to traditional Roman striking practices: molten silver alloy was prepared to imperial metallurgical specifications, cast into spherical or discoid blanks, and then struck cold or slightly heated between two hand-engraved bronze or iron dies. Die production for RIC III Commodus 126 exhibited the characteristic stylistic discipline of the Rome mint during the late second century AD. Engravers employed compasses to define circular border guidelines and used specialized punches for lettering alongside freehand cutting of the imperial portrait and reverse allegorical figures. The mint operated through several organized production workshops, often termed officinae, which divided striking quotas and ensured rapid execution of imperial directives. Because coin types were often commissioned in response to immediate administrative crises or imperial milestones, the manufacture of the Concordia Militum denarius in AD 185 was executed with high speed to disseminate political messaging promptly to legions in garrison provinces and auxiliary outposts. Die wear, slight centering shifts, and minor flan irregularities were normal consequences of this high-volume hand-hammered production.

Obverse Typology and Imperial Portraiture

The obverse of RIC III Commodus 126 features a right-facing portrait of the emperor Commodus, depicted as a mature young ruler wearing a laurel wreath (corona laurea). The laurel wreath serves as a timeless emblem of imperial victory, sacred authority, and divine favor, tied to Apollo and the triumph of the Roman state. The execution of the portrait conforms to the classical Antonine aesthetic style, exhibiting carefully rendered curls of hair and a prominent, textured beard that connects Commodus visually to his father Marcus Aurelius and grandfather Antoninus Pius, reinforcing his dynastic pedigree. Unlike early adolescent depictions of Commodus as Caesar or junior co-emperor, the portrait on this AD 185 issue displays the features of an adult ruler in his mid-twenties. The relief is typically firm, with deep incisions capturing the waves of the imperial coiffure and the ties of the laurel wreath extending downward behind the neck. The truncation of the neck is plain, without drapery or cuirass, focusing viewer attention directly on the idealized yet recognizable facial features of the princeps. Surrounding the portrait is the continuous obverse inscription, framed inside a finely beaded outer border that defines the edge of the die.

Reverse Typology and Military Symbolism

The reverse design of RIC III Commodus 126 depicts the personification Concordia standing facing frontally with her head turned to the left. She is draped in traditional stola and palla, conveying dignitas and civic piety. In each hand, she holds an upright military standard (signum), which is adorned with metallic discs (phalerae) and crowned with standard cross-pieces or spearheads. The figure embodies Concordia Militum, the concord or harmonious loyalty of the military forces toward the emperor and the state. This specific reverse motif is steeped in the political realities of AD 185. In that year, Roman Britain was shaken by substantial military discontent following campaigns north of Hadrian's Wall, while domestic politics in Rome were roiled by the execution of the powerful praetorian prefect Perennis, who had been accused of plotting to usurp power with provincial troops. By circulating imagery of Concordia grasping the standards of the legions, the imperial administration delivered a clear public message: the armed forces were reunited in dutiful harmony under the legitimate supreme commander. The personification stands balanced and steady, projecting stability and mutual trust between the princeps, the senate, the praetorian cohorts, and the frontier legions.

Epigraphic Analysis and Legend Formulations

The inscriptions on RIC III Commodus 126 provide precise dating, imperial titulature, and ideological context. The obverse legend reads M COMM ANT P FEL AVG BRIT, expanding to Marcus Commodus Antoninus Pius Felix Augustus Britannicus. This legend reflects critical titular developments in Commodus's reign. The inclusion of BRIT commemorates victories won in northern Britain by the general Ulpius Marcellus, an honor Commodus adopted in AD 184. The addition of FEL (Felix), assumed around AD 185, marks the beginning of Commodus's official adoption of the title representing auspicious imperial fortune, marking a distinct departure from traditional Antonine formulas. The reverse inscription reads P M TR P XI IMP VII COS V P P, accompanied by CONC MIL in the field or exergue. The titular sequence expands to Pontifex Maximus, Tribunicia Potestate undecimum, Imperator septimum, Consul quintum, Pater Patriae. The formula CONC MIL abbreviates Concordia Militum. Commodus's eleventh tribunician term (TR P XI) establishes that the issue belongs securely to the year running from December AD 185 through AD 186, during which he was consul for the fifth time (COS V) and hailed imperator for the seventh time (IMP VII). These epigraphic formulas served not merely as chronological markers, but as comprehensive legal assertions of the princeps's constitutional, military, and sacred authority across the Roman world.

Typological Variants and Chronological Placement

Within the corpus of Roman imperial numismatics, RIC III Commodus 126 is catalogued alongside a broader group of denarii produced during Commodus's eleventh tribunician year. The type is characterized specifically by the combination of the laureate obverse head with the Britannicus and Felix titles and the reverse depicting Concordia with two standards. Variations within the type are predominantly stylistic, arising from the work of different die engravers at the Rome mint. Minor differences occur in the positioning of the legend breaks, the spacing of the letters, the rendering of Concordia's drapery folds, and the specific ornamental details on the military standards. Chronologically, this issue must be distinguished from earlier Concordia types struck for Commodus during his joint reign with Marcus Aurelius or his early sole reign, which lack the Felix and Britannicus epithets and feature earlier tribunician numbers. It must also be separated from later issues struck during his twelfth through seventeenth tribunician terms, where his titulature expanded to include Commodus Augustus Herculeus and other radical designations. In standard reference works, RIC III Commodus 126 corresponds with entries in the Cohen catalogue (such as Cohen 54) and the British Museum collection (BMC IV Commodus series), representing a tightly defined issue produced specifically during the administrative reorganization of AD 185.

Circulation Patterns, Hoards, and Archaeological Context

Denarii of Commodus, including RIC III Commodus 126, entered widespread circulation throughout the military encampments of the Rhine and Danube limes, the British frontier, and municipal centers throughout the Mediterranean. Archaeological hoard evidence confirms that silver coinage minted during the mid-180s AD circulated extensively alongside earlier Antonine and Flavian denarii. Because Commodus's denarii possessed a lower silver purity than the pre-148 AD issues of Antoninus Pius or Trajan, they were readily accepted and retained in general currency without being preferentially melted down or hoarded in the same manner as older, higher-purity silver. Hoard discoveries across Roman Britain, Gaul, Germany, and the Danubian provinces frequently contain denarii of Commodus dating to his eleventh and twelfth tribunician years. Many specimens show substantial wear accrued over decades of circulation, demonstrating that coins of this type continued to pass from hand to hand well into the third century AD, until the massive monetary crises and antoninianus introductions of the Severan and post-Severan periods pushed early denarii out of regular commercial channels. The widespread geographical distribution of these coins illustrates the efficiency of the Roman imperial apparatus in transporting metropolitan mint output directly to frontier military payroll centers.

Catalog Data

Ruler
Denomination
Denarius
Material
Silver
Series date range

Authority and vocabulary links: Wikidata and Nomisma.org.

References

  1. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Septimius Severus. pp. 245-258
  2. Commodus: An Emperor at the Crossroads. pp. 58-72
  3. The Roman Imperial Coinage, Vol. III: Antoninus Pius to Commodus. pp. 378-380, no. 126
  4. Online Coins of the Roman Empire: RIC III Commodus 126. RIC III Commodus 126