Antoninus Pius Dupondius RIC III Antoninus Pius 808

Monetary System and Denominational Context

The monetary reforms established under Augustus created a multi-tiered bimetallic and base-metal currency structure that remained structurally stable through the mid-second century AD. Within this scheme, the dupondius served as an essential intermediate base-metal denomination, valued at two copper asses, half an orichalcum sestertius, or one-eighth of a silver denarius. While the as was traditionally struck in pure copper, the sestertius and dupondius were manufactured from orichalcum, a copper-zinc brass alloy prized for its golden appearance and higher value per unit of weight. To prevent commercial confusion between the dupondius and the similarly sized as as the golden color of the brass toned down during prolonged circulation, the Roman administration introduced the radiate crown as the distinctive obverse attribute of the dupondius under the Julio-Claudian emperors, a convention meticulously maintained under Antoninus Pius. RIC III Antoninus Pius 808 functioned as everyday commercial currency across the empire, facilitating retail transactions, local markets, and domestic commerce that required denominations intermediate between small change and the substantial silver coinage.

Mint Location and Production Methods

Production of RIC III Antoninus Pius 808 took place exclusively at the imperial mint in the capital city of Rome. The Rome mint during the Antonine period was a complex, highly organized administrative enterprise structured into distinct officinae or working sections responsible for preparing flans, engraving dies, and striking designated denominations. The manufacture of base-metal flans involved casting molten orichalcum into circular moulds or pouring strips that were subsequently cut and smoothed to shape. These heated or annealed flans were then positioned between a lower, anvil-mounted die and an upper, hand-held punch die before being struck with heavy hammer blows. Because dupondii were minted in vast volumes to supply the empire's fiscal apparatus, die pairs were continually manufactured and replaced as they succumbed to mechanical stress, resulting in subtle stylistic nuances in portrait modelling, drapery rendering, and letter spacing across different working dies within this single catalogue type.

Obverse Imagery and Portrait Style

The obverse of RIC III Antoninus Pius 808 presents a mature, dignified portrait of Emperor Antoninus Pius facing right. He wears the radiate crown, the spikes of which rise from a decorative band around his head, clearly signaling the two-as valuation of the piece. The portraiture exemplifies the classicizing, serene realism characteristic of Antonine official art, depicting the emperor with a full, carefully arranged beard, curly locks of hair, and an expression of calm benevolence. Antoninus Pius was the first Roman emperor since Hadrian to wear a full beard consistently on his coinage, standardizing a visual tradition that symbolized intellectual maturity and dignified Hellenic refinement. The portrait may be executed with bare neck truncation or slight drapery on the far shoulder depending on the specific die, though the radiate head facing right remains the fixed canonical element of the type.

Reverse Iconography of Securitas

The reverse iconography features Securitas, the Roman personification of personal peace of mind, freedom from anxiety, and political stability. Draped in a long stola, Securitas is depicted seated comfortably on a high-backed throne or curule chair facing left. In her right hand she holds a transverse sceptre, an attribute signifying legitimate imperial authority and divine protection. Her left arm is bent acutely at the elbow, resting heavily on the back of the throne while her left hand props up or cradles her head in a posture universally recognized in ancient art as an expression of effortless repose and unburdened security. Flanking the seated figure across the field are the large, uncial letters S and C (Senatus Consulto), validating the issue under traditional senatorial oversight. The motif offered an ideological declaration that the Pax Romana remained undisturbed under Antoninus Pius, reassuring citizens and provincial subjects alike of the government's steadfast vigilance.

Epigraphy and Imperial Titulature

The obverse inscription reads uninterrupted or slightly broken around the imperial portrait: ANTONINVS AVG PIVS P P TR P COS IIII. This epigraphic formula articulates the core elements of the emperor's official public persona and constitutional titles. 'ANTONINVS' provides his personal imperial name; 'AVG' (Augustus) conveys his supreme imperial status; 'PIVS' reflects the cognomen granted to him by the Senate early in his reign to honor his filial devotion to the deified Hadrian and the Roman religious traditions. 'P P' (Pater Patriae, Father of the Fatherland) underscores his paternal care for the citizens. 'TR P' references his tribunician power, the constitutional foundation of his domestic sacrosanctity and authority. 'COS IIII' records his fourth consulship. On the reverse, the legend is reduced strictly to the senatorial formula 'S C' (Senatus Consulto), placed in the fields to the left and right of Securitas, maintaining the legal fiction that base-metal coinage was struck by authority of the Senate.

Typology and Chronological Classification

The chronological classification of RIC III Antoninus Pius 808 relies primarily on the consular title COS IIII. Antoninus Pius entered his fourth and final consulship on January 1, AD 145, alongside Marcus Aurelius as his colleague. Because he never accepted a fifth consulship, and because the obverse legend records the title TR P without an annual numeral, the issue cannot be isolated to a single calendar year based solely on its inscription. In the foundational catalogue of Mattingly and Sydenham, followed by the Online Coins of the Roman Empire (OCRE) database, this specific type is dated across the broad range from AD 145 to the emperor's death in AD 161. Detailed stylistic studies in BMC Empire IV suggest that issues retaining the simple TR P formula in conjunction with COS IIII were predominantly struck between AD 145 and AD 147, before the Rome mint consistently resumed the practice of numbering the emperor's annual tribunician renewals (such as TR POT XV, etc.) on most regular bronze issues.

Circulation Patterns and Archaeological Evidence

Dupondii of Antoninus Pius enjoyed extensive and durable circulation throughout the Roman world. Archaeological find assemblages and hoard records demonstrate that base-metal issues from the Rome mint moved along major commercial arteries and military supply routes, circulating heavily in the Western provinces, including Roman Britain, the Gallic provinces, the Rhine-Danube frontier garrisons, and northern Italy. Because the orichalcum alloy was resilient and base metals held intrinsic utility for low-value everyday exchanges, specimens of RIC III Antoninus Pius 808 frequently remained active in circulation for decades. Many surviving examples recovered in modern excavations exhibit substantial wear, attesting to continuous transactions well into the Severan era, while others demonstrate countermarking or edge patina consistent with prolonged burial in damp river basins or urban settlement debris.

References

1. Coins of the Roman Empire in the British Museum, Vol. IV: Antoninus Pius to Commodus. pp. 268-270
2. The Roman Imperial Coinage, Vol. III: Antoninus Pius to Commodus. p. 129, no. 808
3. Online Coins of the Roman Empire (OCRE): RIC III Antoninus Pius 808. ric.3.ant.808
4. Roman Coins and Their Values, Vol. II: The Accession of Nerva to the Death of Commodus (AD 96-192). no. 4280 (related type series)