Gordian III Silver Antoninianus RIC IV Gordian III 16

Monetary Context and Denominational Setting

The monetary system inherited by Gordian III in the late spring of AD 238 had recently experienced significant instability. The double denarius, originally introduced under Caracalla in AD 215 and temporarily discontinued under Severus Alexander, was revived under Balbinus and Pupienus to finance emergency state operations. Under Gordian III, the denomination rapidly displaced the traditional silver denarius as the dominant coin of Roman imperial expenditure. Although tariffed at two denarii, the radiate antoninianus contained only approximately one and a half times the silver content of a denarius, offering the imperial fiscus a substantial seigniorage profit. By AD 239, when RIC IV Gordian III 16 was struck, the imperial treasury was heavily committed to expanding coin output for military stipends, frontier defense subsidies, and administrative costs. Silver purity during this emission hovered between forty and forty-five percent fine silver, with the balance made up of copper and minor trace alloys. The denarius continued to be struck concurrently in modest numbers, but the massive scale of the radiate issues established this denomination as the operational spine of Roman silver coinage throughout the Mediterranean world.

Production and Mint Organization

The production of RIC IV Gordian III 16 was carried out entirely at the imperial mint located in Rome. During the early reign of Gordian III, the mint of Rome was structured into six distinct officinae (workshops), each tasked with producing specific reverse types for imperial emissions to ensure administrative oversight and balanced output. Numismatic analyses of die linkages, notably developed by Harold Mattingly and expanded in subsequent studies by Roger Bland, confirm that the imperial titles series incorporating the tribunician date TR P II was struck sequentially across designated officinae during AD 239. Die cutters engraved obverse dies characterized by fine, classical portraiture, displaying the youthful emperor with round cheeks and short-cropped hair characteristic of Gordian's early teenaged features. Flans were cast in open mould arrays before being struck between hot dies, producing occasional irregular edges, slight oval flans, and minor die axis shifts, though the typical alignment remained regular at approximately twelve o'clock or six o'clock.

Obverse Design and Portraiture

The obverse of RIC IV Gordian III 16 displays a right-facing bust of Gordian III wearing the radiate crown, cuirass, and military cloak (paludamentum). The radiate crown, traditionally associated with Sol, was the universal diagnostic symbol used in the third century to indicate a double denomination on both silver (the radiate antoninianus) and bronze (the dupondius). The portrait presents the emperor as an adolescent youth, with smooth facial contours, a slightly upturned nose, and a soft jawline, framed by closely cropped curls of hair. The drapery of the cloak is pinned at the right shoulder, falling in folds over the cuirass, of which the neckguard and upper breastplate are visible. This bust combination (radiate, draped, and cuirassed, right) was the default portrait style employed across Gordian's Rome antoniniani in AD 239, projecting an image of legitimate supreme command despite the emperor's minority under senatorial and praetorian supervision.

Reverse Iconography and Symbolism

The reverse design of this type features Jupiter standing facing, his head turned toward the left, completely nude except for a chlamys (cloak) draped around his shoulders and hanging behind his back. In his left hand, the supreme deity holds a long, vertical sceptre resting against the ground, while his extended right hand holds a thunderbolt protective over a miniature togate figure of Gordian III standing left at his feet. The diminutive emperor raises his right hand in reverence toward his divine patron. This scene is an overt visual expression of divine protection (Jupiter Conservator), a theological motif long favored by Roman rulers facing political vulnerability. In the context of AD 239, with a thirteen-year-old emperor ruling under the shadow of recent civil warfare and praetorian agitation, the motif conveyed the reassurance that the supreme god of the Roman pantheon personally shielded the princeps and, through him, preserved the security of the empire.

Epigraphy and Legends

The obverse inscription reads IMP CAES M ANT GORDIANVS AVG, rendered along the outer circumference from the lower left to the upper right. This legend abbreviates 'Imperator Caesar Marcus Antonius Gordianus Augustus', providing the full formal nomenclature adopted by the emperor to advertise familial continuity with the elder Gordians of AD 238 while confirming his constitutional status as supreme military commander and Augustus. The reverse legend reads P M TR P II COS P P, which stands for 'Pontifex Maximus, Tribunicia Potestate II, Consul, Pater Patriae'. The combination of titles precisely dates the coin's issue. Gordian III received his initial tribunician power upon his accession in mid-238 and renewed it for the second time (TR P II) on December 10, AD 238, or January 1, AD 239, holding the title throughout AD 239. His first consulship (COS) commenced on January 1, AD 239, aligning neatly with the second tribunician year and establishing an absolute terminus for the emission within that calendar year.

Typology and Chronological Classification

In the standard classification established by Mattingly and Sydenham in Roman Imperial Coinage (RIC), RIC IV Gordian III 16 is placed within Issue 2 of the Rome mint, produced in AD 239. It forms part of a cohesive series of dated issues bearing the formula P M TR P II COS P P. Other reverse types within this specific emission include representations of Pax, Providentia, and Virtus, alongside alternative representations of the emperor himself sacrificing at an altar or in a quadriga. RIC 16 is distinguished specifically by the presence of Jupiter extending the thunderbolt over the small figure of the emperor, contrasting with later issues of TR P III and TR P IIII where Jupiter appears alone without the miniature imperial attendant. The issue serves as an indispensable chronological anchor for Gordian III's early coinage, allowing modern numismatists to calibrate hoard decay curves and track the gradual expansion of mint output prior to the Persian expedition.

Circulation, Hoards, and Archaeological Context

Antoniniani of type RIC IV Gordian III 16 circulated extensively across both western and eastern provinces of the Roman Empire. Major coin hoards recorded from Britain, Gaul, the Rhine frontier, and the Danubian provinces, including the vast Dorchester and Eauze hoards, feature significant numbers of AD 239 dated antoniniani of Gordian III in fresh to lightly worn condition. Because massive military pay distributions took place in the early 240s as preparations began for the campaign against Shapur I, coins of this type moved swiftly from the capital mint to frontier garrisons along the limes. The relatively high silver weight and standard module of approximately 21 to 23 millimetres ensured that these coins remained in active commercial circulation for decades, often appearing in hoards deposited during the severe debasement crises under Valerian and Gallienus in the late 250s and 260s.

References

1. The Silver Coinage of Gordian III and Philip I: A Study in Die Linkage and Monetary Policy. pp. 63-94
2. Online Coins of the Roman Empire: RIC IV Gordian III 16. ric.4.gor_iii.16
3. The Roman Imperial Coinage, Vol. IV, Part III: Gordian III - Uranius Antoninus. p. 17, no. 16