Probus Silver Antoninianus RIC V Probus 220

Monetary and Economic Context

The radiate coin designated as RIC V Probus 220 belongs to the final developmental phase of the Roman antoninianus prior to the sweeping monetary restructuring enacted by Diocletian in 294 AD. First created under Caracalla in 215 AD as a double-denarius tariffed above its intrinsic bullion value, the antoninianus underwent continuous debasement across the mid-third century AD. By the early 270s AD, silver content had plunged below three percent, precipitating rampant inflation and localized currency crises throughout the provinces. Aurelian executed an extensive currency reform in 274 AD to restore public confidence in the fiduciary radiate. This reform established a standardized billon alloy consisting nominally of twenty parts copper to one part silver (roughly five percent silver), usually marked with the XXI or KA mark of value on the reverse exergue. When Probus ascended to the throne in 276 AD, his administration maintained this reformed standard. Antoniniani of the period, including RIC V Probus 220, were produced on copper-rich flans that were treated with an intentional surface-enrichment or dipping technique to leave a bright, thin silver coating on the freshly struck coins. The denomination formed the bedrock of daily military wages and general administrative expenditures, circulating widely across both civil markets and frontier army encampments.

Production and Mint Organization

RIC V Probus 220 was struck exclusively at the imperial mint of Rome, which served as the operational heart of metropolitan coin production. The mint at Rome possessed an elaborate administrative infrastructure divided into several distinct workshops, or officinae, each functioning under the direction of an overseer to produce coin dies, cast blank flans, and maintain output quotas. Flan preparation required casting billon rods or open-mold blanks, followed by hot or cold striking between engraved iron or bronze dies. Rome's engravers maintained high stylistic consistency during this period, cutting dies with sharp, neat lettering and balanced proportions. Officinae marks in the reverse exergue commonly designate the specific workshop responsible for the striking of individual batches within this issue series. Die rotation on these radiates was typically aligned along either an upright or inverted axis, with minor fluctuations characteristic of rapid third-century manual minting. Production volume for triumphal issues was substantial, meeting the steady demand for troop payments following major military expeditions.

Obverse Iconography and Epigraphy

The obverse of RIC V Probus 220 features a right-facing bust of Probus depicted with the radiate crown and military cuirass. The radiate crown served as the visual signifier of the double-denomination value since the inception of the antoninianus under the Severan dynasty, associating the reigning sovereign with Sol, the Roman sun god. The cuirassed drapery reflects the pronounced militarization of third-century imperial portraiture. Rather than adopting the civic toga or simple heroized nudity of early imperial portraiture, Probus is shown in practical Roman field armor. Engravers rendered the lorica with detailed shoulder clasps, chest plates, and leather pteruges. Probus is portrayed with a short, cropped military beard, clean-shaved cheeks, and severe facial contours, embodying the disciplined soldier-emperor archetype common to the Illyrian officer corps that governed the empire during the crisis era.

Reverse Iconography and Design

The reverse of RIC V Probus 220 displays a victory monument consisting of a central military trophy flanked by two seated, bound captives at its base. The trophy itself is constructed around a wooden pole adorned with captured suits of armor, including cuirasses, greaves, crested helmets, and oval shields, surmounted by crossbeams representing the weapons stripped from defeated enemies. Flanking the trophy, the two captives sit hunched upon the ground, their wrists bound behind their backs in postures of total submission. This iconography represents a venerable Roman visual convention adapted to contemporary campaigns against Germanic groups. By depicting captive warriors subdued beneath Roman armor, the design reinforced an explicit narrative of imperial dominance, physical pacification, and restored order along the embattled northern frontiers of Raetia, Gaul, and Germania.

Legends and Inscriptional Formulas

The legends on RIC V Probus 220 are concise, standardized Latin epigraphic formulas communicating status, legitimacy, and specific martial achievements. The obverse reads IMP PROBVS P F AVG, which abbreviates Imperator Probus Pius Felix Augustus. The title Imperator asserts supreme military command, while Pius Felix (dutiful and fortunate) evokes the traditional Severan epithets attributing imperial fortune to piety and divine favor. The closing Augustus confirms constitutional and monarchical supremacy. The reverse legend reads VICTORIA GERM, an abbreviation of Victoria Germanica. This inscription proclaims victory over Germanic tribes, functioning as direct propaganda for the imperial administration. Together, the legends integrate standard constitutional authority on the obverse with specific ideological messaging on the reverse, assuring soldiers and civilians alike that the emperor had fulfilled his primary duty of shielding the Roman world from foreign incursions.

Typology and Chronological Sequence

Within the typology established by Percy H. Webb in Roman Imperial Coinage and refined by twentieth-century scholars such as Karl Pink, RIC V Probus 220 is assigned to the mid-reign issues of Rome. The VICTORIA GERM legend correlates directly with the campaigns of 277 and 278 AD, during which Probus campaigned aggressively along the Rhine and Danube to expel Alamannic, Frankish, and Burgundian invaders who had breached the limes following the deaths of Aurelian and Tacitus. Pink situated this emission within the third or fourth coin sequences at the Rome mint, struck alongside parallel victory types celebrating victories in the East and against Gothic groupings. While minor sub-varieties exist across officina signatures and occasional drapery folds, the foundational typology of RIC V Probus 220 remains uniform: a radiate, cuirassed bust right coupled with the trophy and double-captive reverse. Struck prior to the final Balkan campaigns of 281-282 AD, the type represents the celebratory climax of Probus's Rhine pacification.

Circulation Patterns and Archaeological Recovery

Antoniniani of Probus circulated widely throughout the western and Danubian provinces of the empire. As a product of the Rome mint, RIC V Probus 220 moved along standard supply networks to western army garrisons stationed in Gaul, Britain, and the upper Danubian frontier, as well as circulating throughout the Italian peninsula. Specimens of this issue regularly appear in major third-century savings and emergency coin hoards, such as the Normanby, Cunetio, and Gloucester hoards in Britain, alongside continental deposits across France and Germany. These hoards demonstrate that reformed radiates retained their circulation velocity and economic utility through the 280s and early 290s AD. Archaeological recovery shows that the silver wash often wore away rapidly in circulation, leaving behind the dark copper-alloy substrate. The type was eventually withdrawn or heavily retariffed following the fiscal reforms of Diocletian at the end of the third century AD.

References

1. Coin Hoards and Hoarding in the Roman Empire. passim
2. Online Coins of the Roman Empire: RIC V Probus 220. ric.5.pro.220
3. Der Aufbau der römischen Münzprägung in der Kaiserzeit VI/1: Probus. Numismatische Zeitschrift 73, pp. 13-74
4. The Roman Imperial Coinage, Vol. V, Part II. p. 38, no. 220