Caracalla Bronze Sestertius, RIC IV Caracalla 500A

Monetary Context and Civic Role

During the Severan dynasty, the sestertius remained the premier large-module copper-alloy denomination in Roman Italy and the western provinces. Struck in orichalcum or bronze, the sestertius fulfilled a dual economic and communicative role. While silver denarii and gold aurei dominated military pay and state accounts, bronze coinage managed daily high-volume urban transactions. Concurrently, the generous module of the sestertius flan, typically measuring between 30 and 33 millimeters in diameter with target weights centering around 24 to 28 grams, provided die cutters with a spacious canvas for complex compositions that would be illegible on smaller silver coins. Under Caracalla, inflation and fiscal debasement were already placing pressure on the imperial monetary system, culminating in the introduction of the double denarius (antoninianus) in AD 215. However, in AD 213 the traditional bronze denominations maintained their standard civic profile. The sestertius catalogued as RIC IV Caracalla 500A belongs to a tradition of imperial architectural coins that directly connected civic patronage to the urban population of Rome. By displaying the premier venue for popular entertainment, this coinage reminded the Roman populace of the emperor's sustained benefactions and lavish spectacles.

Production Standards and Mint Operation

All specimens of RIC IV Caracalla 500A were struck exclusively at the imperial capital mint in Rome. Production of high-relief bronze medallions and architectural sestertii in AD 213 demanded the mint's most accomplished master engravers, capable of cutting deeply incised negative dies with microscopic detail. Unlike regular imperial reverse types that featured a solitary deity or personification, this architectural type required an intricate perspective view. The blanks were prepared from leaded bronze or orichalcum alloys, cast in circular molds, and hot-struck to ensure the full displacement of metal into the deep cavities of the obverse portrait and reverse architectural elements. Die alignment at the Rome mint in this period typically followed a regular six-o'clock or twelve-o'clock orientation, though minor variations occur. Because the detailed reverse dies suffered from mechanical stress and rapid wear under the force required to strike sestertii, surviving examples demonstrate distinct die states, from crisp early strikes showing individual spectators and shrine elements to worn later impressions where low-relief elements blur.

Obverse Iconography and Imperial Image

The obverse of RIC IV Caracalla 500A presents a dynamic right-facing bust of Caracalla. The emperor is depicted laureate, draped, and cuirassed. The imperial portrait reflects the stylistic shift that characterized Caracalla's sole reign following the assassination of his brother Geta. His expression is stern and resolute, with closely cropped curly hair and a short, textured military beard. The laurel wreath rests upon his head with ties falling down the nape of the neck, symbolizing enduring victory. The inclusion of the cuirass beneath the drapery underscores his role as military commander-in-chief, a posture Caracalla cultivated intensely during his preparations for operations along the Rhine and Danube frontiers in AD 213. Engravers at the Rome mint balanced this martial realism with refined sculptural relief, making the obverse portrait on this issue one of the definitive likenesses of the emperor's mid-reign.

The Circus Maximus Reverse Design

The reverse of the type offers an exceptional panoramic representation of the Circus Maximus in Rome during an active chariot competition. The arena is viewed from an elevated oblique angle, allowing the viewer to grasp the entire oval circuit. At the center of the course stands the barrier, known as the spina, which divides the racing tracks. Prominently positioned on the spina is the great Egyptian obelisk originally brought to Rome by Augustus from Heliopolis, flanked by various monuments, including shrines, statues of deities such as Magna Mater on her lion, and the distinctive lap counters consisting of dolphins and eggs. At both extremities of the spina stand the three conical turning posts, or metae, grouped on cylindrical bases. Within the surrounding arena track, multiple four-horse chariots (quadrigae) are shown in mid-gallop, capturing the frenzy and movement of the race. The outer arc depicts the tiered colonnades and seating banks of the circus, packed with Roman spectators. This composition drew upon a numismatic lineage tracing back to sestertii of Trajan, but the Severan version updates the depiction to reflect the monumental embellishments and restorations carried out in the Circus Maximus by Septimius Severus and Caracalla.

Epigraphy and Titulature

The obverse legend reads M AVREL ANTONINVS PIVS AVG BRIT, expanding to Marcus Aurelius Antoninus Pius Augustus Britannicus. The adoption of the victory title Britannicus commemorates the arduous British campaigns conducted between AD 208 and 211 under Septimius Severus, a title retained by Caracalla to project military legitimacy. The reverse carries an exhaustive imperial titular formula: P M TR P XVI IMP II COS IIII P P, flanked in the lower field or exergue by the letters S C. This legend translates as Pontifex Maximus, Tribunicia Potestate sextum decimum, Imperator secundum, Consul quartum, Pater Patriae, accompanied by Senatus Consulto. The recording of Caracalla's sixteenth tribunician power provides an exact chronological anchor for the striking of the issue to AD 213, while his fourth consulship, assumed in AD 213 with Decimus Caelius Calvinus Balbinus as colleague, confirms this tight temporal window. The S C acronym denotes that the coinage was minted in accordance with senatorial decree, preserving the traditional constitutional fiction governing Roman imperial bronze issues.

Typology and Chronological Classification

In the standard reference framework of Roman Imperial Coinage, RIC IV Caracalla 500A is classified under the bronze issues of Caracalla's sole rule dated precisely to AD 213. The type forms part of a cohesive group of special issues celebrating imperial festivities, temple dedications, and athletic games staged in the capital. While related architectural motifs appear on rare aurei and bimetallic medallions of the same period, RIC 500A represents the primary sestertius manifestation of the Circus Maximus design in this specific emission. Modern corpora separate this type from earlier Trajanic circus sestertii (such as RIC II Trajan 571) and later issues of Gordian III, noting the distinctively Severan architectural additions to the spina and the specific imperial titulature of AD 213. Minor die varieties exist in the placement of the exergual letters S C and the arrangement of individual decorative statues atop the spina, reflecting hand-engraved variation across a restricted run of dies.

Circulation, Wear, and Preservation

While regular imperial sestertii circulated extensively across the western Roman provinces for decades, highly decorative types such as RIC IV Caracalla 500A were produced in substantially smaller numbers and often cherished by contemporary recipients. Although they did pass through commercial channels, as evidenced by worn examples recovered from site finds and hoards, many were retained as commemorative keepsakes of the games they advertised. Because of the heavy demand on the reverse dies to reproduce fine linear details like chariot reins and column shafts, well-preserved specimens showing fully legible architectural components are exceedingly scarce. In subsequent reigns, Severan bronze coins circulated alongside earlier Antonine issues, gradually losing mass through abrasion until large bronze denominations were progressively withdrawn or demonetized during the monetary crises of the mid-third century AD.

References

1. Roman Circuses: Arenas for Chariot Racing. pp. 115-121
2. Online Coins of the Roman Empire: RIC IV Caracalla 500A. RIC IV Caracalla 500A
3. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. p. 296, no. 500A