Severus Alexander Sestertius, RIC IV Severus Alexander 627

Monetary Context and Denominational Function

During the reign of Severus Alexander (AD 222 to 235), the sestertius retained its position as the premier large-denomination base-metal coin in Roman commerce. Historically tariffed at four asses or one quarter of a silver denarius, the sestertius was cast and struck primarily in orichalcum, a brass alloy of copper and zinc, although declining zinc supplies by the third century AD meant flans increasingly consisted of impure bronze or leaded copper-tin-zinc alloys. Despite ongoing debasement in the concurrent silver coinage, the early Severan sestertius remained relatively substantial, with official weights targeting an average between 19 and 22 grams and flan diameters spanning 28 to 32 millimeters. Because base-metal coinage was not routinely used to distribute primary imperial donatives to the legionaries, who were compensated almost exclusively in silver denarii and gold aurei, the sestertius played an indispensable role in metropolitan and regional trade. It circulated widely throughout Italy and the western provinces such as Gaul, Britain, and the Germanies. The large physical surface area of the sestertius flan offered imperial authorities an ideal vehicle for comprehensive political communication, allowing intricate die carving that articulated ideological priorities to the populace far more legibly than smaller denominations.

Mint Organization and Production Technology

The entire regular emission of RIC IV Severus Alexander 627 was manufactured at the imperial mint of Rome. In this era, the Rome mint was organized into distinct administrative and technical divisions known as officinae, which divided production quotas across gold, silver, and aes issues. Numismatists generally assign the base-metal production to a dedicated set of workshops coordinated under the procurator monetae, operating under nominal senatorial oversight as indicated by the formulaic senatorial mark. Production utilized traditional hot-striking methods. Blank flans were cast in two-part moulds or scooped into open depressions, producing slightly irregular, bevelled edges characteristic of Severan bronze. Once annealed and heated to facilitate metal displacement, each flan was positioned between an embedded lower anvil die and an upper punch die struck manually by a heavy hammer. Die alignment was predominantly vertical, tending toward a standard twelve o'clock or six o'clock axis, although slight rotational slippage was common under rapid production quotas. The survival of multiple die pairings for this reverse type attests to substantial output across the striking period.

Obverse Iconography and Imperial Portraiture

The obverse die of RIC IV Severus Alexander 627 presents a right-facing portrait of the young ruler, designated as laureate with light drapery gathered over the left shoulder. Severus Alexander had ascended the throne as a teenager following the assassination of his cousin Elagabalus in AD 222, and the mint engravers were tasked with crafting an image that projected maturity, civic dignity, and legitimate Severan succession. The laurel wreath signifies victorious authority and divine favor, tied at the nape of the neck with two falling ribbon ties. The treatment of the bust, draped minimally over the forward left shoulder while leaving the neck and chest substantially unarmored, reflects an earlier portrait format typical of Severus Alexander's initial emission phases before fully cuirassed and mature bust types became standard later in his reign. Facial features across dies emphasize a clean-shaven youth with short, clipped hair combed forward in the military style popularized by Caracalla, yet moderated to convey moderate, law-abiding imperial decorum under senatorial guidance.

Reverse Iconography: The Emperor as Victorious Virtus

The reverse iconography depicts Severus Alexander in active military guise, standing turned toward the left. He is dressed in an officer's tunic, cuirass, and paludamentum, holding a celestial globe in his extended right hand and an inverted spear in his left hand, while resting his right foot firmly upon a discarded military helmet. This configuration represents a potent synthesis of Roman cosmological and military symbolism. The globe symbolizes universal dominion and the imperial responsibility to maintain the orbis terrarum. The inverted spear, held with the point downward, signifies the restoration of peace and military vigilance without aggressive provocation. Placing the foot upon a helmet emphasizes the triumph over bellicose disorder, demonstrating that violent conflict has been brought under orderly submission. Although the youthful prince had not conducted significant field campaigns at the time this design was first drafted, Roman imperial theology demanded that every reigning Augustus embody Virtus, ensuring collective security and divine protection across the empire.

Epigraphy and Legend Analysis

The obverse inscription reads IMP SEV ALEXANDER AVG, encircling the imperial portrait clockwise from the lower left. This abbreviated formulation comprises Imperator (supreme commander), Severus Alexander, and Augustus (venerable emperor). By deliberately compressing the praenomen and retaining the ancestral name Severus, the mint reinforced Alexander's legal and ideological connection to Septimius Severus, dismissing the erratic memory of Elagabalus while preserving dynastic continuity. The reverse inscription is rendered as VIRTVS AVGVSTI, accompanied by the letters S C placed in the left and right fields. VIRTVS AVGVSTI directly translates to 'the courage or martial virtue of the Emperor,' linking the figure on the reverse unequivocally with the sovereign himself rather than a detached personification. The letters S C represent Senatus Consulto ('by decree of the Senate'), a formulaic legal remnant preserved on imperial brass and copper since the Augustan monetary reforms to validate the token tariffing and public status of base-metal currency.

Typology and Chronological Classification

RIC IV Severus Alexander 627 belongs to an undated thematic emission classified by Harold Mattingly and Edward A. Sydenham within the broad span of AD 222 to 231. Unlike the emperor's tribunician issues, which record the annual renewal of the tribunicia potestas (TR P) and consulates (COS), this issue relies exclusively on enduring imperial virtues. The chronological bracket is constrained primarily by obverse legend evolution. The shorter legend IMP SEV ALEXANDER AVG was introduced at the accession in AD 222 and remained dominant during the earlier half of the reign, gradually giving way to expanded formulations such as IMP CAES M AVR SEV ALEXANDER AVG and later IMP ALEXANDER PIVS AVG after AD 231. Within Henry Cohen's nineteenth-century catalogue, the type corresponds to Cohen 592. The combination of the specific bust variety, the shorter obverse legend, and the helmet-treading reverse pose isolates RIC 627 from closely related contemporary issues featuring the personification Virtus seated or standing with a shield.

Circulation Patterns and Archaeological Evidence

Large brass sestertii of Severus Alexander saw extensive circulation throughout the urban centres and frontier garrisons of the western Roman Empire. Finds from archaeological contexts in the Rhine and Danube river basins, Roman Britain, and northern Gaul demonstrate that these heavy bronze pieces remained in active circulation for decades after their manufacture, often passing through hands until heavily worn or clipped during the mid-third-century inflationary crises. Site finds and hoard evidence show that Severus Alexander's aes coinage represented one of the last major outpourings of high-quality sestertii before output plummeted under the soldier emperors of the later third century. Because the intrinsic copper value remained stable relative to collapsing silver purity in the Antoninianus issues, sestertii were frequently hoarded during the AD 250s and 260s or recalled to feed local barbarous radiates and emergency municipal foundries, leaving surviving specimens with broad variations in surface patination, chemical corrosion, and wear.

References

1. Description historique des monnaies frappées sous l'Empire Romain, Vol. IV. p. 462, no. 592
2. Coinage and Currency in Roman Britain. pp. 142-160
3. The Roman Imperial Coinage, Vol. IV, Part II: Macrinus to Pupienus. pp. 114-118, no. 627
4. Online Coins of the Roman Empire: RIC IV Severus Alexander 627. ric.4.sa.627