Caracalla Bronze Sestertius, RIC IV Caracalla 544

Monetary Context and Severan Denominational Policy

By the reign of Caracalla, the sestertius remained the premier large copper-alloy denomination of the Roman monetary system, serving as both a staple unit of high-volume civilian accounting and an expressive canvas for imperial propaganda. While the silver coinage experienced substantial debasement and structural transformation during Caracalla's rule, most visibly marked by the introduction of the double denarius or antoninianus around AD 215, bronze denominations maintained their traditional role in everyday commerce across the Western empire. Sestertii of the Severan era were struck in brass (orichalcum) or related copper alloys, continuing an unbroken tradition dating back to the Augustan monetary reform. Although official alloy standards fluctuated through decades of melting and re-striking, the denomination still carried high intrinsic prestige and state authority, validated by the prominent senatorial mark of sanction, S C (Senatus Consulto). Large bronze issues in AD 215 had a lower overall volume compared to early Antonine peaks, making topical issues like RIC IV Caracalla 544 important documents of deliberate state communication.

Mint Organization and Production Techniques

The production of RIC IV Caracalla 544 took place entirely at the primary imperial mint of Rome, despite the coin's explicitly Egyptian iconography. During this phase of his reign, Caracalla was actively traveling through the eastern provinces, yet the central mint in the capital continued to issue regular bronze denominations matching the emperor's travel itinerary and diplomatic program. Blanks for these sestertii were cast in open or two-part molds before being hot-struck between engraved bronze or iron dies. The Rome mint employed skilled engravers capable of handling intricate multi-figure compositions, as demonstrated by the detailed rendering of Isis, the military garments of the emperor, and the anatomical contours of the crocodile beneath his foot. Flans of this period frequently exhibit slight irregularity in thickness and circumference, yet weights were calibrated to Severan sestertius standards, typically clustering between 22 and 27 grams, with diameters averaging roughly 31 to 33 millimeters.

Obverse Typology and Imperial Portraiture

The obverse of RIC IV Caracalla 544 features a laureate, draped, and cuirassed bust of Caracalla facing right. By AD 215, the boyish likenesses of his early co-rule with Septimius Severus had long been replaced by the fierce, mature portraiture typical of his sole reign. The bust captures the distinctive Severan facial features: closely cropped curls, a short military beard, furrowed brow, and a pronounced, intense gaze aligned with his martial self-presentation. The cuirass and paludamentum emphasize his permanent role as supreme commander of the Roman legions, an identity reinforced by the legend framing the portrait. This portrait type was executed with high relief, characteristic of the senior engravers operating in Rome's principal bronze officinae.

Reverse Iconography: Caracalla, Isis, and Egypt

The reverse of RIC IV Caracalla 544 is a rich allegorical scene commemorating the emperor's relationship with Egypt. On the left stands Caracalla in military dress, holding a vertical spear in his left hand, with his left foot placed firmly upon a crocodile. Treading on the crocodile, the quintessential beast of the Nile, is a direct visual quote of the Augustan Aegypto Capta motif, demonstrating Roman domination over the territory. Approaching from the right is the Egyptian goddess Isis, draped in traditional robes, advancing toward the emperor. In her right hand she offers two ears of grain, symbolizing the fertile bounty and vital grain supply of Egypt, while in her left hand she carries a sistrum, the sacred rattle of her cult. This interaction depicts a dual relationship: military submission and divine conciliation. Isis does not merely submit; she bestows her agricultural and spiritual blessings upon the emperor, who stands as master and protector of the province.

Epigraphy and Titulature

The inscriptions on RIC IV Caracalla 544 provide precise chronological and administrative parameters. The obverse legend reads M AVREL ANTONINVS PIVS AVG GERM, which expands as Marcus Aurelius Antoninus Pius Augustus Germanicus. The inclusion of Germanicus records his formal assumption of victory titles following his campaigns along the northern frontier in AD 213. The reverse legend carries his dated offices: P M TR P XVIII IMP III COS IIII P P, followed by S C in the exergue or field. The titles expand to Pontifex Maximus, Tribunicia Potestate XVIII, Imperator III, Consul IIII, Pater Patriae, Senatus Consulto. The recording of his eighteenth tribunician power (TR P XVIII) securely dates the issue to AD 215, coinciding with his fourth consulship. The traditional senatorial endorsement S C maintains the formal constitutional fiction that bronze coinage was struck under the authority of the Roman Senate.

Typological Series and Historical Context

RIC IV Caracalla 544 forms part of a coordinated series of issues struck in gold, silver, and bronze during AD 215 focused on Egyptian themes. Companion types struck in denarii and aurei feature related motifs, such as Isis alone holding ears of grain, Serapis, or the emperor sacrificing over a tripod in the presence of Egyptian deities. Historically, this series anticipates Caracalla's journey to Alexandria in the late autumn of AD 215. The emperor harbored a famous veneration for Alexander the Great and sought divine protection from Serapis and Isis for his health and planned eastern campaigns against Parthia. However, the goodwill implied by the coin's iconography was violently contradicted by events on the ground: suspecting the Alexandrian populace of mockery and disloyalty, Caracalla ordered a brutal massacre of the city's youth and expelled pilgrims soon after his arrival.

Patterns of Circulation and Preservation

As with most imperial sestertii of the third century, specimens of RIC IV Caracalla 544 circulated primarily across Italy and the western provinces, including Gaul, the Rhineland, and the Danube frontier. Because civic bronze coinage satisfied local daily retail needs in the Greek East and Roman Egypt operated under an insular billon tetradrachm standard, Rome-minted sestertii rarely circulated in Egypt itself. Instead, this type served an ideological role for audiences in Rome and the western military commands, reporting the emperor's arrival and triumph in the eastern provinces. Due to the high rate of monetary circulation and the eventual melting of bronze in later centuries, high-grade examples of this specific reverse type are relatively scarce today, with surviving pieces often showing moderate surface wear or patination from European soil finds.

References

1. Coins of the Roman Empire in the British Museum, Vol. V: Pertinax to Elagabalus. pp. 488-490
2. Online Coins of the Roman Empire: RIC IV Caracalla 544. ric.4.crl.544
3. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. p. 302, no. 544
4. Under Divine Auspices: Divine Ideology and the Visualisation of Imperial Power in the Severan Period. pp. 165-175