Marcus Aurelius Dupondius, RIC III Marcus Aurelius 1134

Monetary Context and Denominational Function

The monetary system of the high Roman Empire relied upon a bimetallic and trimetallic balance overseen by the imperial administration. Within this hierarchy, the dupondius operated as a core base-metal unit valued at two asses, eight dupondii to the silver denarius, and two dupondii to the orichalcum sestertius. Since the Augustan monetary reforms of the late first century BC, Roman bronze denominations had been differentiated primarily by metallic composition and visual diagnostic attributes. The dupondius and sestertius were cast and struck in orichalcum, a copper-zinc alloy known to the Romans as aurichalcum due to its bright, brassy luster resembling gold, whereas the as was manufactured from unalloyed red copper. Over the course of the second century AD, metallurgical drift and the progressive recycling of scrap metal resulted in lower zinc contents across Antonine orichalcum issues. To prevent confusion between heavily patinated, worn, or low-zinc dupondii and the equally sized copper asses, the radiate crown remained an indispensable denominational marker. Instituted on middle bronze denominations during the reign of Nero, this solar headdress distinguished the dupondius without ambiguity. In AD 174 to 175, when RIC III Marcus Aurelius 1134 was struck, base-metal coinage served as the essential medium for everyday marketplace commerce across central Italy and the western provinces. Middle bronzes financed retail transactions, military allowances, petty market trades, and regional price adjustments, linking the high fiscal accounting of the state to daily monetary life.

Mint Location and Manufacturing Technique

The dupondius catalogued as RIC III Marcus Aurelius 1134 was produced exclusively at the primary imperial mint in Rome. Throughout the Antonine period, centralized mint operations supplied virtually all official struck base-metal coinage destined for Italy and the western European provinces. The mint at Rome operated under the administrative oversight of an equestrian procurator monetae, supported by a specialized corps of imperial freedmen and enslaved artisans, including die engravers (scalptores), flan casters (flaturarii), and striking crews (suppostores and malleatores). Production began with the preparation of orichalcum flans, which were cast in open or bivalve multi-cavity moulds, leaving occasional sprue remnants or bevelled edges along the circumference. Prior to striking, blanks were annealed to restore ductility lost through cooling. Striking was performed manually by hammer using two engraved dies. The lower die (obverse) was set firmly within an anvil, while the upper die (reverse) was mounted in an iron shaft and struck with heavy sledge blows. Due to the high relief and physical thickness of middle bronze flans, alignment was generally regularized along a vertical axis, typically displaying an inverted die orientation of six o'clock or twelve o'clock, though slight angular deviations occur frequently. Weight standards for second-century dupondii clustered within a target bracket around 11 to 14 grams, with diameters usually ranging between 24 and 27 millimeters, though significant individual variations emerged as imperial mints placed greater emphasis on overall metallic tally per pound than on strict individual weight uniformity.

Obverse Typology and Imperial Iconography

The obverse of RIC III Marcus Aurelius 1134 features the mature head of Marcus Aurelius facing right, crowned with the radiate spikes of the solar crown. By AD 174, the emperor was in his mid-fifties, having endured years of grueling military campaigns along the Danube river against Germanic and Sarmatian incursions. The portraiture of this period reflects the fourth major portrait tradition identified by modern numismatic scholars, characterized by a weathered, contemplative visage, deep facial lines around the eyes and brow, and an intricately arranged, voluminous beard rendered with thick, individualized curls. His hair is composed of layered locks that cascade down the nape of the neck and frame the forehead beneath the spikes of the radiate crown. The radiate crown serves simultaneously as an official denominational attribute for the dupondius and as a theological symbol connecting the reigning princeps with the cosmic radiance of Sol. The die engraving demonstrates the refined classicism typical of late Antonine mint masters at Rome, balancing realistic portrait features with standardized imperial dignity.

Reverse Iconography and Annona Symbolism

The reverse of the coin is dominated by Annona, the divine personification of the grain supply and imperial provision, standing draped and turned toward the left. In her lowered right hand she grasps a cluster of mature wheat ears paired with a poppy, while her left arm cradles a massive, overflowing cornucopiae laden with fruits. At her feet to the lower left sits a modius, the cylindrical dry measure utilized across Roman grain markets, from which stalks of wheat often project upward. The Annona motif formed one of the most enduring ideological themes of the imperial mint, communicating the emperor's vigilant guardianship over the food security of Rome. During the middle 170s AD, while Marcus Aurelius spent years deployed in military headquarters along the northern frontier, the vulnerability of the capital to logistical disruptions, inflation, and famine was acutely felt by the urban populace. The combination of the corn-ears and the poppy directly evoked agrarian fecundity and prosperity, referencing the legendary association of poppies with Ceres, the goddess of agriculture, who found solace in the plant during her wanderings. By holding the cornucopiae, Annona confirms that the emperor's prudent governance directly generates peace-time abundance. The flanking letters S C (Senatus Consulto) are struck prominently into the lower fields to left and right, reasserting the traditional constitutional authority of the Senate in issuing base-metal coinage.

Inscriptions and Epigraphic Analysis

The epigraphy of RIC III Marcus Aurelius 1134 provides precise administrative and chronological data concerning its date of strike. The obverse legend reads M ANTONINVS AVG GERM TR P XXIX, running clockwise from the lower left rim. 'M ANTONINVS' records the emperor's official imperial nomen, Marcus Antoninus, which he assumed upon his accession in AD 161. 'AVG' abbreviates Augustus, the quintessential title of imperial sovereignty. 'GERM' reflects the cognomen ex virtute Germanicus, which Marcus Aurelius assumed in late AD 172 following decisive victories over the Marcomanni and Quadi. 'TR P XXIX' designates his twenty-ninth annual renewal of the tribunicia potestas, providing the absolute calendar terminus for the issue between December AD 174 and December AD 175. The reverse legend is inscribed IMP VII COS III, framed in the central lateral fields by S C. The title 'IMP VII' documents the emperor's seventh imperial salutation, bestowed upon him by his troops in the field during the campaigns of AD 174. 'COS III' records his third consulship, which had commenced on January 1, AD 161, and remained his final consulship throughout his life. The inscription S C, standing for Senatus Consulto ('by decree of the Senate'), maintains the formal legal fiction established by Augustus, affirming that the bronze token currency was sanctioned by senatorial decree even while the mint remained under imperial executive control.

Typological Sequencing and Chronological Framework

Within the chronological framework established by Paul von Rohden, Harold Mattingly, and Wolfgang Szaivert, the issue RIC III Marcus Aurelius 1134 occupies a tightly circumscribed place in the late Marcomannic war series. The combination of tribunician power XXIX and imperial acclamation VII anchors its striking to AD 174-175. Tribunician renewals for Marcus Aurelius occurred annually on December 10, dating TR P XXIX from December 10, AD 174, to December 9, AD 175. His seventh acclamation as imperator had been received earlier in AD 174, following dramatic Roman successes in Pannonia and Upper Moesia, including the celebrated military episodes remembered as the 'rain miracle'. In late AD 175, following the revolt of Avidius Cassius in Syria, Marcus Aurelius received his eighth acclamation (IMP VIII), which promptly replaced IMP VII on his coin legends. Consequently, RIC III 1134 belongs strictly to the production window of late AD 174 through the middle to late months of AD 175. While the sestertius series struck contemporary Annona types with analogous titulature, RIC III 1134 is uniquely delineated as the dupondius emission through its radiate portraiture and reduced flan module. Minor stylistic variations among known dies occur in the density of Annona's drapery, the height of the modius, and the spacing of the obverse legend breaks, but the core design remained strictly standardized across the officinae of the mint.

Circulation, Hoard Evidence, and Archaeological Context

Dupondii of Marcus Aurelius circulated widely across the western provinces of the Roman Empire, including Italia, the Gallic provinces, Hispania, Britain, and the frontier zones along the Rhine and Danube. Unlike silver denarii and gold aurei, which were prone to hoarding, export, and official remelting due to their intrinsic precious-metal value, base-metal dupondii were intended for domestic velocity. They are commonly recovered in stratified settlement contexts, urban market excavations, military encampments, and temple votive deposits. Archaeological finds from military sites along the Danubian limes, such as Carnuntum and Aquincum, frequently produce mid-bronzes of the Marcomannic War years, attesting to the continuous transit of bronze currency between Rome and the active legions. Worn specimens discovered in third-century strata reveal that Antonine orichalcum dupondii remained in circulation for decades after their emission, often circulating alongside Severan base-metal issues until the broader collapse of bronze coin production in the mid-third century AD. Hoards containing bronze middle bronzes typically consist of mixed deposits combining first- and second-century issues, where the heavier, brassier Antonine dupondii were retained for their substantial utility in local transactions.

References

1. Coins of the Roman Empire in the British Museum, Vol. IV: Antoninus Pius to Commodus. pp. 642-645
2. Online Coins of the Roman Empire: RIC III Marcus Aurelius 1134. ric.3.m_aur.1134
3. The Roman Imperial Coinage, Vol. III: Antoninus Pius to Commodus. p. 298, no. 1134
4. Die Münzprägung des Kaisers Marcus Aurelius in Wien (MIR 18). Series 29