Caracalla Gold Aureus RIC IV Caracalla 291A

Monetary Context and the Severan Gold Standard

By 217 AD, the Roman imperial monetary system had experienced significant adjustments under Caracalla. While his introduction of the double denarius or antoninianus in 215 AD adjusted the silver sector, the gold aureus remained the ideological and fiscal anchor of the empire. The Severan aureus had fallen in mass from the Augustan benchmark of roughly 7.8 grams to an average fluctuating between 6.4 and 7.3 grams, theoretically struck at approximately 45 or 50 to the Roman pound. Gold aurei were not primarily minted to facilitate day-to-day market trade; rather, they financed large-scale state operations, including army subventions, accession and campaign donatives, and diplomatic subsidies. The issue of RIC IV Caracalla 291A coincided with Caracalla's preparation for continued warfare against the Parthian Empire, a phase characterized by massive treasury expenditures and elevated demands for premium coinage to ensure military fidelity.

Production and Mint Attribution

The production of RIC IV Caracalla 291A is attributed to the central imperial mint in Rome. Although Caracalla was actively campaigning in Syria and Mesopotamia leading up to his death in the spring of 217 AD, the dies and blanks for this series were prepared and struck by the skilled celators of the capital workshops. The mint of Rome retained administrative primacy over imperial gold emissions, preserving standard stylistic forms and technical uniformity. Surviving gold specimens of the year 217 AD reveal careful blank preparation and deep die relief, characteristic of metropolitan Roman engravers. Striking aurei required strict administrative oversight, as any irregularity in alloy purity or module could carry severe fiscal and political repercussions.

Obverse Iconography and Imperial Image

The obverse of the type carries a mature, forceful portrait of Caracalla, presented as a laureate, draped, and cuirassed bust facing right. The imperial portraiture of Caracalla's later years is known for its intense, stern visage, marked by knitted brows, tightly curled hair and beard, and a dynamic military posture. The drapery and cuirass visually reinforce his permanent role as supreme commander of the Roman legions, while the laurel wreath conveys triumphant authority. Engravers at the Rome mint captured the energetic realism favored by the regime, distinguishing these late aurei from the smoother, idealized portraits of Caracalla's earlier joint reign with Septimius Severus.

Reverse Typology and Religious Symbolism

The reverse iconography centers on Serapis, an Alexandrian god closely associated with imperial health, protection, and universal sovereignty under the Severan dynasty. Serapis is depicted seated toward the left, wearing the sacred polos or modius upon his head, an ancient symbol of abundance and underworld fertility. In his left hand, the deity holds a vertical sceptre indicative of divine kingship. In his extended right hand, cataloguers note what appears to be ears of corn or grain, though some numismatic commentators note close stylistic affinity to gestures of benediction or the presentation of a patera in related Severan religious imagery. The adoption of Serapis on the supreme gold denomination underscored Caracalla's personal devotion to the deity, whom the emperor publicly petitioned for relief from physical and mental infirmity during his Eastern travels.

Epigraphy and Titulature

The inscriptions on this aureus provide precise legal and administrative documentation of the issuing moment. The obverse legend reads ANTONINVS PIVS AVG GERM, compressing Caracalla's official nomenclature into Antoninus Pius Augustus, supplemented by Germanicus, the victory title assumed in 213 AD following his campaign along the northern frontier. The reverse inscription records the emperor's official magistracies: P M TR P XX COS IIII P P, expanding to Pontifex Maximus, Tribunicia Potestate XX, Consul IIII, and Pater Patriae. The reference to the twentieth tribunician power securely dates the manufacture to early 217 AD, as Caracalla assumed his twentieth tribunician renewal on 10 December 216 AD and reigned until his assassination on 8 April 217 AD. The legends reflect standard Roman epigraphic styling, rendered in sharp, classical capitals without ligatures.

Typological Classification and Chronological Placement

Within the typology established by Harold Mattingly and Edward A. Sydenham in Roman Imperial Coinage, volume IV, type 291A stands apart as a scarce gold counterpart to contemporaneous silver and bronze issues bearing identical tribunician dates. While Serapis standing or seated appears across denarii and antoniniani of TR P XX, gold iterations remain far more constrained in number. The type is closely linked chronologically to other final-year aurei that honor deities such as Sol, Jupiter, and Diana, creating an ideological pantheon of protective gods assembled during the final preparations for the Mesopotamian conflict. Because Caracalla's life was cut short in April 217 AD, the production window for this type spanned approximately four months, resulting in exceptionally limited surviving material.

Circulation, Hoard Context, and Preservation

Gold aurei of 217 AD did not circulate extensively in general civilian markets. Instead, high-value gold denominations were typically retained by high-ranking military officers, provincial governors, and imperial administrative officials. Many such coins were conserved in hoards or transported to eastern operational theaters where the emperor and his entourage resided. In subsequent reigns, Severan gold was frequently melted down or retariffed as third-century inflation and successive monetary reorganizations occurred under the Severan successors and the later Barracks Emperors. Consequently, specimens of RIC IV Caracalla 291A survived primarily through early concealment in military or savings hoards that remained undisturbed into modern archaeological discovery.

References

1. The Roman Aurei: An Exhaustive Evaluation of the Aurei and Gold Quinarii Struck by the Romans, Vols. I-II. Caracalla section, year 217 AD
2. Roman Coins from the Earliest Times to the Fall of the Western Empire. pp. 148-154
3. Online Coins of the Roman Empire: RIC IV Caracalla 291A. ric.4.crl.291A
4. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. p. 257, no. 291A