Commodus Silver Denarius RIC III Commodus 76

Monetary Context

The denarius was the primary silver denomination of imperial Rome, serving as the backbone for regular state disbursements, military pay, and urban commerce. Under Commodus, who ruled as sole Augustus from AD 180 following the death of Marcus Aurelius, the imperial administration faced continuous budgetary pressures that directly influenced coinage production. In the early 180s AD, the central treasury operated within an economic framework characterized by gradual monetary adjustments. The silver denarius was struck at an average target weight hovering around 3.1 to 3.2 grams, representing a theoretical standard of approximately 104 pieces to the Roman pound (libra). Modern metallurgical studies, including analyses published by Kevin Butcher and Matthew Ponting, demonstrate that the silver fineness of Commodus's early sole-reign denarii generally sat near seventy-four to seventy-six percent, continuing the gradual trend toward debasement initiated earlier in the second century AD. RIC III Commodus 76 represents an issue struck during a critical transition in the imperial image, where the financial apparatus maintained high-volume output to satisfy the military and civil apparatus while asserting the religious legitimacy of the young emperor through civic iconography.

Production and Mints

All regular imperial denarii of this type were produced at the central mint in Rome. During the Antonine and early Severan eras, the Rome mint was organized into distinct officinae (workshops), each tasked with executing specific denominations and reverse designs under the direction of imperial mint administrators. Production involved casting blank flans from refined alloy batches, heating them, and striking them by hand between engraved intaglio bronze or iron dies. The obverse die was typically set into an anvil while the reverse die was handheld and hammered, leading to standard axial variations. The high output of the mint during AD 183 and 184 necessitated numerous die pairs, resulting in subtle stylistic nuances among portraits and minor spacing differences in the reverse lettering. Flans for denarii of this issue typically range from 17 to 19 mm in diameter, exhibiting characteristic bevelled or slightly irregular hammered edges that reflect manual blank preparation and striking.

Obverse Design and Iconography

The obverse of RIC III Commodus 76 features a mature, dignified portrait of Commodus facing right. He is depicted wearing a laurel wreath (corona laurea), the traditional sign of victorious imperium and religious piety, secured with ties trailing down the nape of the neck. The portrait reflects the established court style of the late Antonine dynasty, characterized by voluminous, carefully arranged curls in the hair and a full, curled beard that echoed the philosophical portraiture of his father, Marcus Aurelius. Commodus's facial features in this issue mark an early stage of his independent iconographic development, where youthful vitality was harmonized with traditional gravitas before the more theatrical and divine representations of his later reign appeared. The die cutters rendered the facial profile with prominent eyes, an aquiline nose, and deeply chased locks, framed by a continuous circular legend running clockwise from the lower left.

Reverse Design and Iconography

The reverse iconography of RIC III Commodus 76 depicts an unclad figure of Genius standing facing left. In Roman religion, the Genius embodied the generative, protective, and vital spirit of a person, group, or place, frequently invoked on imperial coins as either the Genius of the Roman People (Genius Populi Romani) or the Genius of the Senate (Genius Senatus). The figure is shown fully nude or draped lightly at the waist and thighs, holding a shallow sacrificial dish (patera) in his extended right hand to pour a liquid offering over a small, ignited altar set upon the ground. In his left hand, lowered or cradled near the hip, he holds several ears of wheat (corn-ears). This combination of sacrificial patera and agricultural produce united two fundamental pillars of Antonine ideology: scrupulous religious observance (pietas) toward the gods and the assurance of abundance, civic welfare, and fertility (annona) for the Roman world under imperial stewardship.

Inscriptions and Epigraphy

The legends of RIC III Commodus 76 provide essential epigraphic data for the precise dating and ideological messaging of the coin. The obverse legend reads M COMMODVS ANTON AVG PIVS, expanding to 'Marcus Commodus Antoninus Augustus Pius'. The inclusion of 'Pius' marks an important historical milestone: Commodus adopted this epithet following the discovery and suppression of the conspiracy of Lucilla and the downfall of the praetorian prefect Tarrutenius Paternus in AD 182-183, aligning himself directly with his Antonine forebear Antoninus Pius. The reverse legend forms a comprehensive imperial titulary: P M TR P VIIII IMP VI COS IIII P P, expanding to 'Pontifex Maximus, Tribunicia Potestate VIIII, Imperator VI, Consul IIII, Pater Patriae'. This record notes his supreme priesthood, his ninth renewal of the tribunician power (conferred in late AD 183 and running into AD 184), his sixth military acclamation as imperator, his fourth ordinary consulship (entered on January 1, AD 183), and the formal title of father of his country.

Typology and Chronology

In the standard reference corpus 'The Roman Imperial Coinage' (RIC volume III), Harold Mattingly and Edward A. Sydenham catalogued this denarius as type 76 within the section devoted to the sole reign of Commodus. The chronological window is tightly bounded by the imperial titulature on the reverse. The designation TR P VIIII commenced on December 10, AD 183, and terminated on December 9, AD 184, fixing production to late AD 183 and the greater part of AD 184. The concurrent inclusion of IMP VI reflects victories achieved in Britain under the command of Ulpius Marcellus, which were acclaimed between AD 183 and 184 before Commodus took the seventh acclamation (IMP VII) and assumed the title 'Britannicus' later in AD 184. RIC III Commodus 76 is distinguished from preceding issues (such as RIC 55-57 with TR P VIII) and subsequent strikes (such as RIC 94-96 with TR P X) by this exact combination of tribunician and imperatorial numbers alongside the reverse Genius type.

Circulation and Archaeological Context

Silver denarii of Commodus circulated throughout the Roman Empire, integration into both military payroll pipelines and civic market transactions. Hoard evidence from Roman Britain, the Rhine and Danube frontiers, and the eastern provinces demonstrates that early issues of Commodus mixed freely with earlier Antonine denarii struck under Antoninus Pius and Marcus Aurelius. Because Commodus's alloy was slightly debased compared to mid-second-century issues, these coins were widely accepted at parity across state-controlled networks. During the late second and third centuries AD, denarii of this type remained in currency for decades, often suffering extensive physical wear before being sequestered in hoards during the monetary crises of the mid-third century or melted down during the Severan recoinages under Caracalla and Severus Alexander.

References

1. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan Decius. pp. 550-575
2. Coins of the Roman Empire in the British Museum, Vol. IV: Antoninus Pius to Commodus. pp. 710-718
3. The Roman Imperial Coinage, Vol. III: Antoninus Pius to Commodus. p. 373, no. 76
4. Online Coins of the Roman Empire: RIC III Commodus 76. ric.3.com.76