Claudius II Gothicus Antoninianus, RIC V Claudius Gothicus 172

Monetary Context and the Debased Radiate

The reign of Claudius II Gothicus (AD 268 to 270) occurred during the zenith of the Third Century Crisis, a period characterized by external invasions, political fragmentation, and acute fiscal distress across the Roman Empire. The antoninianus, originally introduced under Caracalla in AD 215 as a double denarius tariffed at two denarii, had undergone progressive and catastrophic debasement throughout the mid-third century. By the close of the joint and sole reigns of Gallienus in AD 268, the nominal silver denomination had degenerated into a base billon alloy, frequently containing less than three percent silver by weight, supplemented by a superficial chemical blanching or argentiferous surface wash designed to impart a transient lustrous appearance.

Production and the Mediolanum Mint

The mint of Mediolanum (modern Milan) served as an indispensable strategic facility for imperial coinage during the late 260s AD. Established primarily under Gallienus to support military operations against Germanic incursions and regional usurpers in northern Italy and the Danubian frontier, Mediolanum maintained an intensive pace of production. Type RIC V Claudius Gothicus 172 was manufactured by preparing cast billon flans that were hammered cold or warm between hand-cut iron or bronze dies. Due to the haste of wartime monetization, flan diameter and weight exhibited broad tolerances, typically fluctuating between 2.2 and 3.8 grams with diameters ranging from 18 to 22 millimeters. Striking was executed across designated officinae (workshops), which frequently distinguished their output through specific control characters, field marks, or exergual letters such as P, S, or T, though completely unmarked variants also exist within the corpus.

Obverse Iconography and Imperial Portraiture

The obverse of RIC V Claudius Gothicus 172 exhibits the radiate, draped bust of Claudius II facing right. The radiate crown, originally associated with the solar deity Sol, served as the primary diagnostic attribute of the antoninianus denomination since its inception, distinguishing it instantly from the laureate denarius. At Mediolanum, the celators developed a distinctive stylistic approach to imperial portraiture that contrasted with the more classical traditions of the Rome mint. Claudius is depicted with a compact, square jaw, close-cropped military beard, and pronounced brow, projecting the stern and resolute demeanor expected of an Illyrian soldier-emperor. The drapery visible at the shoulder and chest denotes civil and military command, though variations in the degree of drapery and underlying cuirass occur depending on individual die engravers.

Reverse Iconography of Mars and Imperial Valor

The reverse of the type depicts the war god Mars, helmeted and striding purposefully toward the right. In his right hand, the deity holds a transverse spear pointing forward, while his left hand supports a trophy of captured armor resting across his shoulder. This dynamic pose represents Mars Gradivus, the marching god of war who leads the legions into combat and secures territorial victory. During Claudius II's accession, which occurred in northern Italy immediately after the assassination of Gallienus outside the walls of Mediolanum, such imagery was paramount. The depiction of Mars carrying a trophy reminded the northern Italian military units of their triumphs over barbarian forces and affirmed the new emperor's commitment to defending the Italian peninsula from impending Alamannic and Gothic threats.

Epigraphy and Imperial Titulature

The epigraphic composition of the coin reinforces imperial authority and ideological legitimacy. The obverse legend reads IMP CLAVDIVS P F AVG, expanding in Latin to Imperator Claudius Pius Felix Augustus. The title Imperator signifies his role as supreme military commander, while Pius ('dutiful' or 'pious') and Felix ('fortunate' or 'prosperous') had become standard components of the third-century imperial titulature, portraying the ruler as blessed by the gods and devoted to Rome. On the reverse, the abbreviated legend VIRTVS AVG expands to Virtus Augusti, or the 'Valor of the Emperor'. In Roman political theology, virtus embodied masculine courage, military competence, and moral resolve. By pairing the legend VIRTVS AVG with the walking figure of Mars, the mint explicitly linked the protective valor of the war god to the personal military leadership of Claudius II.

Typology and Chronological Classification

In the standard classification established by Percy H. Webb in Roman Imperial Coinage Volume V, Part I, this issue is catalogued under number 172 among the coinages of Mediolanum. The issue spans the brief reign of Claudius II, dating between the autumn of AD 268 and his death from plague at Sirmium in the summer of AD 270. Within the wider framework of Claudius's Mediolanum issues, the Mars reverse was struck as part of substantive emissions alongside other martial types invoking Fides, Victoria, and Pax. Chronological seriation within the type relies heavily on workshop marks located in the lower exergue or reverse fields, tracing the operational sequence of the Mediolanum officinae during the consolidation of Claudius's rule and his subsequent northern campaigns.

Circulation, Hoard Evidence, and Monetary Impact

Specimens of RIC V Claudius Gothicus 172 circulated extensively throughout the western provinces of the Roman Empire. Because of the vast scale of production and the desperate liquidity needs of the state, these billon radiates penetrated deep into the provincial economies of Italy, Gaul, Britain, and the Danubian frontier. Hoard analyses, including studies of major British and continental deposits such as the Normanby and Cunetio hoards, demonstrate that Claudius II radiates were deposited in immense quantities alongside late billon issues of Gallienus, Postumus, and Victorinus. Due to rapid inflation and Gresham's Law, older radiates with higher silver contents were progressively hoarded, leaving debased issues like RIC 172 to dominate daily market exchanges until the monetary reform of Aurelian in AD 274 introduced the twenty-to-one radiate (aurelianianus) and relegated earlier billon coins to subsidiary circulation.

References

1. The Normanby Hoard and Other Roman Coin Hoards. pp. 114-153
2. Monnaies de l'Empire romain XII.1: D'Aurelien a Florien (275-276 apres J.-C.). pp. 17-24
3. Online Coins of the Roman Empire: RIC V Claudius Gothicus 172. ric.5.cg.172
4. The Roman Imperial Coinage, Vol. V, Part I. p. 224, no. 172