Caracalla Silver Denarius RIC IV Caracalla 284D

Monetary Context and Severan Silver Policy

By the final year of Caracalla's rule in AD 217, the imperial currency system reflected prolonged fiscal stresses stemming from increased military expenditures, administrative expansion, and elevated soldiers' pay. Under the early Severan dynasty, Septimius Severus had already reduced the fineness of the silver denarius to slightly above fifty percent. Caracalla maintained this debased standard while also initiating radical currency reform in AD 215 with the introduction of the antoninianus, or double denarius, identifiable by the radiate crown on imperial male portraits and a weight approximately 1.5 times that of the traditional denarius. Despite the appearance of this higher-denomination piece, production of the conventional silver denarius continued at Rome. Type RIC IV Caracalla 284D was struck within this dual-denomination environment, serving standard commercial transactions, provincial administrative expenditures, and bureaucratic disbursements. The denarius of AD 217 retained an official weight standard centered around 3.10 to 3.25 grams, though individual surviving pieces exhibit typical variations caused by mechanical striking and alloy mixing. The intrinsic silver content of the denomination hovered around fifty to fifty-four percent, with copper making up the majority of the base-metal alloy. The simultaneous issue of the denarius alongside the newly created radiate denomination highlighted the transition of the Roman monetary system, wherein the denarius was gradually transitioning from the undisputed anchor of Roman silver coinage into a subsidiary denomination before its eventual decline in the mid-third century AD.

Mint Operation and Production at Rome

The emission catalogued as RIC IV Caracalla 284D was produced exclusively by the principal imperial mint situated at Rome. Although Caracalla himself had spent the latter years of his principate in the East, directing logistical operations and campaigns against the Parthian Empire, administrative and ceremonial coinage continued to flow from the established urban mint in the capital. The Roman mint operated through multiple officinae, or workshops, that systematically executed reverse types paired with imperial portraits under strict bureaucratic supervision. The production process relied on manually prepared flans cast in open molds or cut from poured silver-copper alloy ingots, which were then heated and struck between hand-carved intaglio dies. Engravers at the Rome mint preserved distinct stylistic hallmarks of the late Severan period, characterized by vigorous sculptural modeling, sharp facial detailing, and dense, compact lettering. Dies for the reverse, displaying Diana guiding a biga of bulls, demanded exceptional technical competence to balance the elongated bodies of the two draught animals, the wheel structure of the carriage, and the animated drapery of the celestial goddess within a narrow circular flan measuring approximately 18 to 20 millimeters. Die alignment typically followed the prevailing Severan standard, often oriented near the twelve o'clock or six o'clock positions, though minor rotational deviations occurred frequently during rapid manual striking.

Obverse Portraiture and Style

The obverse of RIC IV Caracalla 284D presents a right-facing, laureate head of Caracalla, portrayed in the severe, mature artistic manner that became dominant in the final phase of his reign. The emperor is depicted with closely cropped curly hair and a short, textured military beard, abandoning the youthful Severan courtly style in favor of an austere, battle-hardened countenance. The laurel wreath encircling his temples is tied at the nape of the neck with distinct ribbons that cascade downward along the contour of the neck. Engravers emphasized Caracalla's furrowed brow, prominent nose, and intense gaze, reflecting contemporary imperial propaganda that emphasized vigilance, martial discipline, and soldierly camaraderie. The portrait occupies the majority of the field, framed closely by the encircling legend that begins at the lower left and terminates at the lower right. The execution of the head displays the characteristic high relief of the Rome mint, where die-cutters retained strong sculptural coherence despite the reduced fineness of the flan metal. Unlike contemporary radiate denominations where the solar crown symbolized elevated divinity, the laureate wreath on this denarius adhered strictly to classic civic and military iconography established since the foundation of the principate by Augustus.

Reverse Iconography: Diana in the Biga of Bulls

The reverse design of RIC IV Caracalla 284D depicts the goddess Diana driving a biga of bulls toward the left. Diana stands erect within the light two-wheeled carriage, her body draped in a long tunic with a floating mantle that billows behind her in crescent-like folds, suggesting rapid nocturnal motion. Upon her brow sits a prominent lunar crescent, identifying her syncretic role as Luna, the divine personification of the moon. She holds the reins guiding the two horned bulls, which are shown pacing forward in step. The motif of Diana or Luna driving a biga drawn by oxen or bulls carries deep roots in Roman Republican and early imperial numismatics, where the slow, plodding power of bulls contrasted symbolically with the swift, fiery horses of the solar biga or quadriga driven by Sol. In the ideological program of AD 217, the pairing of Sol and Luna expressed cosmic continuity, eternal renewal (aeternitas), and uninterrupted vigilance over the empire by day and night. While Sol often symbolized the active, victorious aspect of the emperor in the field, Diana Luna embodied nocturnal protection and the rhythmic order of time. The biga of bulls appears on a limited selection of late Severan denominations, rendering this specific denarius reverse an exceptional manifestation of traditional religious imagery amidst an era heavily dominated by martial and victorious allegories.

Epigraphy and Imperial Titulature

The inscriptions on RIC IV Caracalla 284D provide precise administrative and chronological anchors for the issue. The obverse legend reads ANTONINVS PIVS AVG GERM, rendered in continuous clockwise fashion without breaks. Here, Antoninus represents the official dynastic name assumed by Caracalla to proclaim legal succession from the revered Antonine emperors, augmented by the traditional virtues of Pius (dutiful or pious) and Augustus (venerable). The cognomen ex virtute GERM commemorates Caracalla's military victories against the Alamanni and other Germanic confederations along the northern frontier in AD 213, an official victory title adopted in late AD 213 and retained throughout the remainder of his life. The reverse legend bears the expanded imperial titulature P M TR P XX COS IIII P P, reading continuously around the upper margin. This string of abbreviations denotes Pontifex Maximus (chief priest of the Roman state religion), Tribunicia Potestate Vicesimum (holder of tribunician power for the twentieth time), Consul Quartum (consul for the fourth time), and Pater Patriae (father of the fatherland). The twentieth renewal of the tribunician power commenced on 10 December AD 216 or 1 January AD 217, fixing the production of the coin indisputably to the opening months of AD 217 before Caracalla's assassination on 8 April AD 217 near Carrhae.

Typology, Dating, and Die Variations

Catalogued under number 284D in the fourth volume of The Roman Imperial Coinage, this coin belongs to a discrete, tightly dated emission struck in early AD 217. Within the RIC typology, type 284 encompasses several reverse variants bearing the identical consular and tribunician formula P M TR P XX COS IIII P P, featuring diverse personifications including Serapis, Sol, Jupiter, and Diana. Subtype 284D is explicitly defined by the obverse laureate head right paired with Diana driving the biga of bulls left. Related issues include gold aurei and bronze sestertii sharing identical or complementary iconographic programs, illustrating that the Rome mint produced coordinated multi-denomination series for major administrative disbursements. Die studies of Severan silver indicate that reverse dies of the Diana in biga of bulls type were utilized across a limited number of production runs, resulting in noticeable die links with contemporary imperial reverse types. Minor die variations occur primarily in the treatment of the bulls' horns, the curvature of Diana's billowing veil, and the placement of the legend stops, though the essential compositional elements remained strictly standardized under imperial workshop supervision. Because Caracalla died in early April of AD 217, the production window for this type was abruptly terminated, contributing to its relative scarcity within the broader corpus of Caracalla's denarii.

Circulation Patterns and Monetary Afterlife

Following its release from the Rome mint in early AD 217, RIC IV Caracalla 284D circulated within an empire-wide monetary network that integrated both old and newly minted coin issues. Denarii struck during Caracalla's final year traveled through military pay channels, administrative transfer networks, and long-distance commercial routes. Archaeological finds and hoard evidence across the western provinces, the Danube frontier, and Roman Syria demonstrate that Severan denarii remained in active circulation for decades after Caracalla's demise. When Macrinus succeeded Caracalla in AD 217 and briefly halted production of the double denarius, the existing stock of silver denarii continued to serve as the daily medium of exchange. Later hoard assemblages from the mid-third century AD, such as those buried during the political instability of the AD 240s and AD 250s, frequently include worn Severan denarii alongside radiates of Gordian III and Philip I. The moderate intrinsic silver value of the AD 217 denarius shielded it from immediate melting or aggressive selective hoarding compared to earlier, higher-purity Antonine coins. Consequently, specimens of this specific Diana biga type survived both in institutional deposits and dispersed provincial hoards, demonstrating the prolonged operational lifespan of Severan base silver within the Roman economy.

References

1. Coins of the Roman Empire in the British Museum, Vol. V: Pertinax to Elagabalus. pp. 463-465
2. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. p. 254, no. 284D
3. Online Coins of the Roman Empire: RIC IV Caracalla 284D. Type ric.4.crl.284D