Caracalla: Roman Bronze Sestertii (c. 196-217 CE)

Historical Context

Caracalla's sestertii belong to several distinct political settings, not one uninterrupted sole reign. Marcus Aurelius Antoninus, the ruler commonly called Caracalla, first appeared as Caesar under his father Septimius Severus. He became Augustus in 198 and shared imperial rank with Severus until the latter's death in 211. Geta also became Augustus during this dynastic arrangement. The brothers' brief joint rule after their father's death ended with Geta's murder in 211; Caracalla then ruled alone until 217.

The broad coin series therefore begins before Caracalla was emperor in his own right. The title Caesar identifies a subordinate heir, whereas Augustus marks his elevation. That distinction is essential when discussing portraits of a young boy alongside the mature military likeness of the sole ruler. It also prevents the date range of the whole series from being mistaken for the dates of an independent reign.

The sestertius was conventionally equivalent to four asses or two dupondii, and four sestertii made a denarius. It provided a large surface for imperial images and inscriptions. Its messages included dynastic expectation, public virtues and the emperor's relationship with Rome. Bronze is an umbrella copper-alloy description; the traditional association of the denomination with orichalcum does not establish a uniform alloy for all Severan coins. Surviving weights and diameters vary, and no exact composition or target-weight distribution follows from the denomination alone.

Obverse Iconographic Composition

On the early sestertii Caracalla is a youthful, bareheaded Caesar. The absence of the laurel belongs within a larger statement of status made by name, title and reverse. It should not be treated as a universal rule that a bareheaded portrait must represent a subordinate prince: rulers in other series can also appear without a wreath.

As Augustus, Caracalla is commonly laureate. Catalogue distinctions concern the treatment of the bust as well as the head: a head alone, a draped bust, and a draped and cuirassed bust are not interchangeable descriptions. The direction and viewpoint of the portrait can separate entries that share a reverse. Worn shoulders should not be reconstructed from the emperor's name or the apparent expression of the face.

Mature portraits emphasize short hair, a beard and a forceful expression. These features can be understood within military imperial representation, but they do not provide an uninterrupted medical record or five precisely bounded stages of physical aging. The date of a portrait is better grounded in titulature, reverse and issue sequence than in a subjective impression of severity. A stern expression is not independent evidence for a particular campaign or political decision.

Obverse Epigraphy and Inscriptions

The coin legends use Caracalla's official name Antoninus rather than the modern identifying nickname. Latin capitals and abbreviations condense both dynastic position and imperial offices around the portrait. M AVR ANTONINVS CAES expands as Marcus Aurelius Antoninus Caesar. Another early formula, M AVR ANTON CAES PONTIF, includes a priestly title. These are formulas of the Caesar phase, not evidence of sole imperial power.

The title AVG, Augustus, changes the constitutional claim of the inscription. Later combinations include ANTONINVS PIVS AVG and M AVREL ANTONINVS PIVS AVG BRIT. PIVS means dutiful or pious, while BRIT abbreviates Britannicus, a victory title connected with the British campaigns. It is not a mint name and does not prove that a coin was manufactured in Britain.

GERM, Germanicus, belongs to later victory titulature. FEL or FELIX can express fortunate or blessed imperial status. Such elements should not be expanded into a single rigid sequence with identical changeover dates for every denomination. Different legend forms and bust treatments correspond to distinct catalogue entries. An abbreviation list supplies a vocabulary, not an attribution by itself.

Reverse Iconographic Composition

The reverse designs link imperial rank with a repertoire of public claims. On the early Prince of Youth sestertii, Caracalla stands in military dress with baton and spear, accompanied by a trophy. The composition presents a prospective commander and dynastic successor. It is not an image of an already independent Augustus merely because the figure wears military clothing.

Civic personifications supply another register. Securitas can sit beside an altar, supporting her head with a hand and holding a sceptre. The relaxed posture gives visual form to security and stability. Libertas is recognizable through the pileus, the cap associated with freedom, and a rod. These attributes are part of an established visual language; they do not prove which particular legislative act occasioned every appearance of the figure.

Monumental reverses broaden the series beyond standing deities. A sestertius dated 213 depicts the Circus Maximus and chariot racing. The scene links the imperial image with one of Rome's major public institutions and the spectacle of organized competition. It must be distinguished from another issue of the same year whose reverse consists of a personification. A shared date and denomination do not imply the same catalogue type.

Religious and military imagery elsewhere in Severan coinage requires comparable care. An identification of a healing god, an Egyptian deity or a victory scene should rest on visible attributes and a documented type, not on a general story about the emperor's health or journeys.

Reverse Epigraphy and Inscriptions

S C conventionally expands as Senatus Consulto, By decree of the Senate. It frequently appears in the field or exergue of imperial sestertii. The formula expresses a traditional constitutional convention, but does not establish that the Senate independently selected each reverse or controlled a separate workshop. The position of the letters should be described for the issue rather than assumed to be uniform.

PRINCIPI IVVENTVTIS is a dative dedication, To the Prince of Youth. It complements the Caesar title on early obverses and the young military figure on the reverse. The political rank is expressed through the combination, not by a spear or trophy in isolation.

P M TR P XVI COS IIII P P expands as Pontifex Maximus, Tribunicia Potestate for the sixteenth time, Consul for the fourth time, Pater Patriae. Its principal English sense is chief pontiff, holder of tribunician power for the sixteenth time, four times consul, Father of the Fatherland. The combination is assigned to 213 CE. Numerals count offices or renewals; they are not denominations or mintmarks.

A tribunician numeral can offer more precision than a virtue name, but its interpretation still requires the correct ruler and renewal sequence. A worn XVI should not be supplied from the expectation that a familiar portrait belongs to 213. Likewise, a complete reverse legend is not sufficient to determine the obverse bust subtype.

Typology and Documented Variants

Caracalla's sestertii can be organized around changes in status without forcing every coin into a fixed portrait phase. Early Caesar issues provide secure evidence that the series predates his elevation to Augustus. In the RIC IV classification, 398A and 398B pair PRINCIPI IVVENTVTIS with a military figure, baton, spear and trophy. The entries distinguish obverse formulas including M AVR ANTON CAES PONTIF and M AVR ANTONINVS CAES; the catalogue dates these types to 196-197.

The Augustus coinage must then distinguish joint government under Septimius Severus from the period after his death. Securitas sestertii illustrate this broader repertoire of civic messages. Their sitting figure and altar are not the same design as a standing Libertas, even when both are discussed as claims to orderly government.

For the sole reign, the Circus Maximus sestertius RIC IV Caracalla 500 is documented at Rome in 213. It is a separate monumental type, not a substitute for the Libertas group associated with RIC 498. The Libertas family's bust subdivisions require comparison of the complete legends and portrait treatment. Printed and digital catalogue conventions should be distinguished rather than assumed to map to each other without qualification.

Libertas also appears with the dated 213 office formula in gold and silver. Those parallels can clarify the imagery and titulature but cannot establish a particular sestertius subtype. Denomination, obverse formula, bust and reverse must all agree. This approach preserves the wider series while avoiding a catalogue list assembled from approximate matches.

Scholarly Debates and Attribution Limitations

The relationship between coin imagery and events is an interpretive problem. Caracalla's citizenship grant of 212 provides an important historical context, but a later Libertas image is not automatically a direct commemoration of that measure. The pileus belongs to a long-standing visual language of freedom. An explicit connection with the grant needs evidence beyond chronological proximity. The alternatives include a broader claim to civic freedom or stability, rather than a reference to one grant of legal status.

The intensity of bronze production also requires caution. A small number of surviving entries or a perceived gap in a collection does not measure annual mint output. Claims about a complete cessation, exact restart month, redistribution of mint staff or the bullion demands of military pay require mint and hoard studies. A broad survey should not convert a proposed explanation for uneven survival into a documented administrative order.

Material descriptions present a related limit. Chemical analysis can investigate changing alloy recipes and recycling, but neither patina colour nor the general label bronze supplies an elemental percentage. Surface analyses have limitations, yet that does not mean that only destructive assays can ever provide useful information. The analytical technique, sampling depth and condition of the surface must be considered together.

Finally, date, mint and historical interpretation are different conclusions. A coin assigned to Rome in 213 need not be an illustration of every policy pursued in that year. Maintaining those distinctions allows the sestertius series to illuminate dynastic and imperial representation without claiming more than its evidence permits.

References

1. Online Coins of the Roman Empire: RIC IV Caracalla 398A. RIC IV Caracalla 398A; sestertius, Rome, 196-197; M AVR ANTON CAES PONTIF, bareheaded draped and cuirassed bust; PRINCIPI IVVENTVTIS S C, Caracalla with baton and spear beside a trophy. Related RIC 398B has the different obverse formula M AVR ANTONINVS CAES.
2. British Museum: Caracalla Circus Maximus sestertius. R.15951; RIC IV Caracalla 500; Rome, 213; Circus Maximus and chariot racing. This monumental design is distinct from the Libertas group RIC 498.
3. British Museum: Caracalla Securitas sestertius. R.15884; RIC IV 512d; Rome, dated 211-213 in the record; seated Securitas, sceptre and altar. The broad catalogue date does not distinguish every phase of the changing imperial partnership.
4. Under Divine Auspices: Divine Ideology and the Visualisation of Imperial Power in the Severan Period. Clare Rowan; Cambridge University Press, 2012. Publisher front matter: bibliographical details, contents and list of illustrations.
5. NYU ISAW and Bibliotheque nationale de France: Aureus Issued by Caracalla. Armand-Valton 1147; gold aureus, Rome, 213; RIC IV Caracalla 209C; Libertas and P M TR P XVI COS IIII P P. The shared imagery and titulature do not determine a sestertius bust subtype.