Caracalla Sestertius RIC IV Caracalla 545

Monetary and Fiscal Context

During the later reign of Caracalla, the Roman monetary system underwent profound institutional adjustments driven by soaring military expenditures, extensive civic infrastructure projects, and the doubling of legionary pay initiated under the early Severans. To fund these mounting commitments, the imperial treasury relied on aggressive fiscal measures, including major debasements of the silver denarius and the creation of the radiant double denarius (antoninianus) in AD 215. Within this restructured monetary landscape, the sestertius maintained its position as the traditional backbone of everyday commerce and administrative accounting. Valued at one quarter of a denarius or four copper asses, the sestertius was cast and struck in orichalcum or bronze alloys, serving as the heaviest base-metal coin available in regular circulation across Italy and the western provinces. Because large bronze denominations circulated widely among ordinary citizens and urban populations where precious metal coins appeared less frequently in routine daily transactions, sestertii functioned as vital visual instruments of imperial state messaging. Struck under the direct formal authorization of the Senate, as signaled by the formula Senatus Consulto (S C), RIC IV Caracalla 545 communicated the emperor's military readiness, prestige, and active campaigning directly to the Roman public during a period of monetary strain.

Production Standards and Mint Organization

RIC IV Caracalla 545 was produced exclusively by the imperial mint in Rome, which maintained dedicated officinae for base-metal denominations alongside its gold and silver workshops. By the third century AD, Roman sestertii were struck primarily on thick, hot-hammered flans prepared from leaded bronze or debased orichalcum. Typical sestertii of this era adhered to weight standards fluctuating broadly between 20 and 26 grams, with flan diameters generally spanning 29 to 33 millimeters, though individual specimens vary depending on blank preparation and mechanical striking conditions. Die alignment was typically adjusted to a regular upright or inverted axis (frequently 6 o'clock or 12 o'clock). Engravers working in the capital displayed remarkable technical expertise in high-relief portraiture and intricate group scenes, carving complex reverse compositions directly into steel dies. The physical manufacturing process required heavy hammer strikes to transfer the dense decorative details of the horse and flanking soldiers into the copper-alloy flan, resulting in occasional peripheral flattening or irregular flan borders characteristic of late Severan brass and bronze issues.

Obverse Iconography

The obverse of RIC IV Caracalla 545 presents a mature, dramatic portrait of Caracalla facing right. He wears a laurel wreath, tied behind the nape of the neck with fluttering ribbons, and is depicted with a heavy military mantle (paludamentum) draped over a cuirass. This armored representation, characteristic of his sole reign, emphasizes his primary role as supreme commander of the Roman legions. The facial rendering reflects the distinctive artistic style developed by Severan engravers after the death of Septimius Severus: a short, tightly curled beard, close-cropped hair, deeply set eyes under an arched brow, and a stern, forceful expression known to art historians as the soldier-emperor aesthetic. This departure from the serene, philosophical countenance favored during the Antonine period underscored unyielding military discipline, martial authority, and absolute imperial power.

Reverse Iconography and Symbolism

The reverse iconography is dedicated entirely to imperial military command and triumphal celebration. Caracalla is depicted in full military dress, mounted on a spirited warhorse that prances toward the right. The emperor raises his right hand in an authoritative gesture of command or imperial greeting (adlocutio or decursio style), while holding a vertical or tilted spear in his left hand. Escorting the equestrian ruler are two soldiers on foot: one advances immediately ahead of the mount, looking back toward the emperor, while the other follows directly behind. Both foot soldiers are armed with spears and shoulder trophies of captured enemy arms, known as tropaea. This dynamic tableau evokes an imperial expedition (profectio or expeditio) and public equestrian exercises, advertising the army's absolute loyalty and the inevitable subjugation of foreign enemies. Flanking the lower composition in the field or in the exergue are the large letters S C, reiterating senatorial sanction.

Epigraphic Analysis and Legend Formats

The legends on RIC IV Caracalla 545 are rendered in classical Roman capitals and provide critical administrative and chronological data. The obverse inscription reads M AVREL ANTONINVS PIVS AVG GERM, expanding to Marcus Aurelius Antoninus Pius Augustus Germanicus. This text reflects Caracalla's official dynastic name linking him directly to the Antonine lineage, followed by his religious virtue (Pius), supreme imperial title (Augustus), and the triumphal cognomen ex virtute Germanicus, awarded in AD 213 following his campaigns against the Germanic Alamanni along the northern frontier. The reverse legend carries the extended imperial titulature: P M TR P XVIII IMP III COS IIII P P, accompanied by S C in the field. This reads Pontifex Maximus, Tribunicia Potestate duodevicesimum, Imperator tertium, Consul quartum, Pater Patriae, Senatus Consulto. The inscription documents Caracalla's office as chief pontiff, his eighteenth renewal of tribunician power, his third imperial acclamation, his fourth consulship, his role as father of the country, and the formal decree of the Senate.

Typology and Chronological Placement

RIC IV Caracalla 545 is securely anchored to the year AD 215 by the iteration of the emperor's tribunician power, TR P XVIII. Tribunician renewals for Caracalla took place annually in December or January, fixing this issue firmly within AD 215 alongside his fourth consulship (held since AD 213) and third imperatorial salutation. In Harold Mattingly and Edward Sydenham's Roman Imperial Coinage classification, this type represents a distinct reverse design within the extensive series of bronze issues struck for Caracalla's TR P XVIII. Similar equestrian motifs appeared in gold and silver denominations, as well as on medallions, illustrating how the Rome mint synchronized thematic output across denominations during major state events. The type stands distinct from earlier equestrian adlocutio issues of AD 213 and 214 by the explicit inclusion of two trophy-bearing soldiers, specifically designed to highlight ongoing eastern military operations.

Circulation Life and Archaeological Context

Following its release from the Rome mint, RIC IV Caracalla 545 entered the general currency pool of Italy and the western provinces, where base-metal sestertii served as the principal large-denomination coin for civic exchange. Unlike silver denarii and antoniniani, which were frequently hoarded during periods of economic instability or exported to pay frontier garrisons, heavy bronze sestertii circulated actively within regional domestic markets for extended durations. Archaeological site finds and hoards from Gaul, Britain, the Rhine frontier, and Italy demonstrate that Severan sestertii remained in circulation for decades, often exhibiting substantial surface wear, countermarking, or corrosion before final deposition. By the mid-third century AD, rapid monetary debasement and rampant inflation reduced the relative purchasing power of copper-alloy coinage, ultimately precipitating the demise of the traditional sestertius under the later soldier-emperors, yet pieces from the AD 215 issue survived in mixed third-century bronze deposits.

References

1. I Grandi Bronzi Imperiali, Vol. IV-1: Caracalla. no. 83
2. Coins of the Roman Empire in the British Museum, Vol. V: Pertinax to Elagabalus. pp. 484-486
3. Online Coins of the Roman Empire: RIC IV Caracalla 545. ric.4.crl.545
4. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. p. 302, no. 545