Probus Antoninianus RIC V Probus 116

Monetary Context

RIC V Probus 116 belongs to the post-reform monetary landscape established under Emperor Aurelian in AD 274 and maintained through the reign of Probus from AD 276 to AD 282. During the preceding decades of the third-century crisis, rampant inflation and repeated debasements had reduced the radiate antoninianus, originally introduced by Caracalla as a double denarius, to a base bronze coin with negligible precious metal content. Aurelian sought to restore public trust in the currency by stabilizing the radiate denomination at a nominal ratio of twenty parts copper to one part silver, a standard frequently commemorated by the mark XXI in the central and eastern mints. Although Lugdunum often omitted the XXI mark or employed idiosyncratic marking systems, its billon radiates conformed broadly to this metric, maintaining a target weight around 3.5 to 4.2 grams with approximately four to five percent intrinsic silver content. By the accession of Probus, this reformed radiate served as the dominant transactional medium for Roman military pay, taxation, and interprovincial trade. The production of billon antoniniani at Lugdunum reflected imperial priorities: sustaining large armies along the Rhine frontier while projecting ideological security and religious sanction through standard monetary typology. RIC V Probus 116 stands as a quintessential Gallic billon issue, embodying the pragmatic fiscal compromises and visual propaganda of the late third-century Roman state.

Production and Mints

This coin type was struck exclusively at the mint of Lugdunum, an ancient center of Roman coin manufacture reopened under Aurelian to supply currency to the Gallic and Britannic territories. Lugdunum operated with a sophisticated organizational apparatus comprising multiple numbered officinae, or workshops, yet many issues produced under Probus, including RIC V Probus 116, were struck without exergual marks or officina letters. Numismatists identify the production of RIC V Probus 116 through the distinctive Gallic stylistic signature: neat, compact imperial portraiture with fine die cutting, carefully lettered legends, and specific fabric characteristics that distinguish Lugdunese output from contemporaneous emissions at Rome, Ticinum, or Siscia. The physical blank manufacturing involved casting flans in open or bivalve molds, followed by hot striking between hand-carved iron dies. To provide the coins with an appealing bright appearance upon release, blanks underwent an intentional surface-enrichment procedure. By soaking the copper-silver alloy flans in an acidic solution, surface copper oxidized and dissolved, leaving a thin, microscopic film of refined silver that formed a silvery wash over the coin. Because this silver coating was vulnerable to mechanical abrasion and corrosive burial soils, surviving specimens vary considerably in surface preservation, ranging from completely darkened copper cores to well-preserved silvered pieces.

Obverse Attributes

The obverse of RIC V Probus 116 features the radiate bust of Emperor Probus facing right. In keeping with the typology of third-century antoniniani, the radiate crown serves as the primary numismatic marker of the denomination, symbolizing imperial solar association and distinguishing the double unit from the laureate single denarius. The catalogue entry encompasses three closely related portrait treatments: a radiate and draped bust; a radiate, draped, and cuirassed bust; and a radiate and cuirassed bust. These variations represent the natural flexibility of die cutters working across different officinae rather than distinct conceptual denominations. The imperial portraiture at Lugdunum during this phase is characterized by a mature, square-jawed profile, short cropped hair, and a trimmed military beard executed in neat, geometric strokes. The radiate crown is rendered with well-defined spikes, resting firmly over the imperial head. The drapery folds and breastplate detailing demonstrate the high technical competence of the Lugdunese engravers, who maintained disciplined standards of proportion and relief despite the intense pace of military coin production under Probus.

Reverse Attributes

The reverse design of RIC V Probus 116 depicts the goddess Minerva standing draped and helmeted, turned toward the left. In her right hand, she extends an olive branch upward, while her left hand supports a vertical spear. Resting beside her on the ground to the right is an upright, circular shield. This composition combines traditional martial and peaceful symbolism into a coherent theological statement. While Minerva is fundamentally an armed deity associated with strategic military victory and defensive readiness, the prominent display of the olive branch qualifies her martial character, signaling that imperial military success is directed toward the establishment of peace, order, and civil recovery throughout the provinces. The goddess is dressed in a long chiton that falls in vertical folds to her feet, often paired with an aegis or mantle across her chest. The balanced distribution of the elements, with the spear providing vertical alignment, the branch creating leftward balance, and the resting shield stabilizing the right field, highlights the harmonious composition standard in the Lugdunum workshops during this period. The absence of additional control marks or symbols in the fields concentrates visual attention entirely on the figure of the divine companion.

Inscriptions and Epigraphy

The legends on RIC V Probus 116 are executed in clear, classical Latin epigraphy typical of western imperial workshops. The obverse inscription reads IMP C PROBVS P F AVG, an abbreviated formulation of Imperator Caesar Probus Pius Felix Augustus. This standard imperial titulature conveys Probus's supreme military command (Imperator), his membership in the imperial lineage established by Julius Caesar and Augustus, his filial devotion and piety toward gods and state (Pius), his good fortune and divine favor (Felix), and his supreme civil majesty (Augustus). On the reverse, the legend reads COMES AVG, abbreviating Comes Augusti, which translates directly as Companion of the Emperor. In Roman imperial theology, the title comes denoted a personal guardian deity who accompanied the princeps on campaign, guiding his decisions and shielding him from harm. Minerva's role as Comes Augusti underscored Probus's claims to divine wisdom and tactical prudence in governance and warfare. The epigraphic layout is continuous and circular, running clockwise from the lower left on both faces, with neat letterforms that exhibit minimal serif exaggeration.

Typology and Chronological Classification

In the framework of Roman Imperial Coinage, Percy Webb catalogued this type under entry 116 in Volume V, Part I, placing it among the early to mid-reign issues of Lugdunum. Subsequent scholarship, most notably Pierre Bastien's comprehensive corpus of the Lugdunum mint, refined the chronological sequencing of Probus's Gallic coinage by analyzing bust styles, legend breakdowns, and hoard composition. Bastien assigned the COMES AVG issues with unmarked exergues to the initial phases of Probus's coinage at Lugdunum, dating between late AD 276 and AD 277, shortly following the mint's transition from striking coins for Florian. During this timeframe, the mint had not yet fully transitioned to the rigid officina numbering systems (such as A, B, C, or I, II, III in the exergue) that came to characterize its later emissions from AD 277 to AD 282. RIC V Probus 116 is therefore understood as an early emission produced while the workshop established its administrative rhythms and thematic output under the new emperor. It is closely related typologically to other radiate types of the same period honoring classical deities, such as Mars, Pax, and Hercules, which collectively broadcasted the regime's core virtues of military power, domestic tranquility, and steadfast strength.

Circulation and Archaeological Context

RIC V Probus 116 circulated widely across the western provinces of the Roman Empire, with heavy concentrations attested in modern France, Germany, Belgium, and Britain. As a billon radiate of the reformed post-Aurelian standard, the type formed an integral component of the liquid cash supply that circulated between the Rhine military camps and regional commercial centers. Archaeological excavations and coin hoards from Gaul and Britain frequently feature Lugdunum-minted antoniniani of Probus in substantial numbers. Key hoards, such as the Normanby and Cunetio hoards from Roman Britain, demonstrate that while radiates from central Italian and Illyrian mints did penetrate the northwestern frontier, regional western mints like Lugdunum provided the vast majority of circulating radiates in these territories. The absence of high precious metal content encouraged rapid, widespread circulation without hoarding-induced withdrawal, until the systemic monetary overhaul under Diocletian's tetrarchic reform in AD 294 officially demonetized these third-century billon radiates. Over decades in circulation, the thin surface silvering was quickly worn away, leaving the base bronze core exposed on most surviving archaeological examples.

References

1. Le monnayage de l'atelier de Lyon: De la réouverture de l'atelier par Aurélien à la mort de Carin (fin 274 - mi 285). Bastien 160-164
2. Monnaies de l'Empire romain XII.1: D'Aurélien à Florien (270-276 après J.-C.). pp. 115-128
3. Online Coins of the Roman Empire: RIC V Probus 116. RIC V Probus 116
4. The Roman Imperial Coinage, Vol. V, Part I. p. 187, no. 116