Postumus Silver Antoninianus RIC V Postumus 77

Monetary and Political Context

The antoninianus designated as RIC V Postumus 77 was minted within the autonomous monetary system established by Postumus following his rebellion against the central Roman authority of Gallienus around AD 260. Facing Germanic incursions along the Rhine frontier and strained logistical connections with Rome, the Romano-Gallic administration sought to maintain regional security and secure military loyalty by issuing an independent coinage. Postumus initially maintained a higher alloy standard for his double denarii than the central administration in Rome, where Gallienus had presided over a rapid degradation of the antoninianus down to nominal silver washes over base copper. The early Gallic antoniniani circulated as high-confidence coinages throughout Gaul, the Germanies, and Britannia. By employing standard imperial denominations and official iconography, the Gallic regime preserved conventional Roman fiscal customs and demonstrated monetary stability to soldiers and provincial populations.

Production and Mint Attribution

Early twentieth-century reference catalogues, notably Roman Imperial Coinage volume V, assigned the primary issues of Postumus, including number 77, to the mint of Lugdunum. Later research by numismatists such as Georg Elmer, and subsequently supported by hoard analyses like the Normanby Hoard study by Edward Besly and Roger Bland, challenged the traditional Lugdunum monopoly. Most modern specialists reattribute the main production center of Postumus's early and middle coinage to Cologne (Colonia Claudia Ara Agrippinensium), where Postumus established his administrative headquarters, with secondary operations sometimes attributed to Trier (Augusta Treverorum). Production employed matched pairs of engraved bronze dies, struck using manual sledgehammers on cast flans of debased silver alloy. The weight standards for this series typically cluster around 3.0 to 3.5 grams, though individual flans vary according to production tolerances and variable alloy purities.

Obverse Portrait and Imperial Imagery

The obverse of RIC V Postumus 77 presents a mature, heavily bearded portrait of the emperor facing right, crowned with a radiate diadem. The radiate crown functions as the universal numismatic mark of value distinguishing the double denarius from the single denarius. Postumus is represented with distinctive mature facial features, characterized by a thick, curly beard and firm jaw, projecting traditional martial resolve and veteran discipline. Catalogued variants within the type encompass two main bust drapery styles: a bust draped only, seen from the side or back, and a bust that is both draped and cuirassed. The dies display considerable engraving competence, maintaining classical proportions and relief that stood in marked contrast to the increasingly stylized and hurried output of the central Italian mints during the middle of the third century AD.

Reverse Iconography and Solar Symbolism

The reverse iconography depicts the solar divinity Sol striding purposefully toward the left. Sol is represented as an athletic, youthful figure wearing a radiate crown, with a chlamys or light cloak flowing across his shoulders and arm. His right arm is extended upward in an adlocutio-like gesture of dispelling shadows and offering imperial protection, while his left arm cradles a driver's whip, alluding to his role in guiding the celestial solar chariot across the sky. The personification of Sol as the rising sun ('Oriens') symbolized dawn, rejuvenation, and military triumph over darkness. This visual language was widely employed during the third century to assure the legions and citizenry that the sovereign brought peace, celestial favor, and renewed vitality to a beleaguered empire.

Inscriptions and Epigraphy

The obverse legend reads IMP C POSTVMVS P F AVG, expanding in full Latin to Imperator Caesar Postumus Pius Felix Augustus. This traditional formulaic imperial titulature reinforced Postumus's claim to legitimate sovereignty, constitutional piety, and providential fortune. On the reverse, the legend ORIENS AVG abbreviates Oriens Augusti, meaning 'The Rising Sun of the Emperor' or the solar manifestation of imperial renewal. The lettering is cleanly cut in square, classical Roman capitals without punctuation marks or interpuncts between words. Unlike later third-century Roman coinages, early Gallic issues of this type generally lack mint marks, officina letters, or control symbols in the fields or exergue, relying entirely on the typological combination and stylistic execution for mint organization.

Typology and Chronological Placement

While RIC V broadly assigns the type to the full chronological span of Postumus's reign between AD 260 and 269, revised numismatic chronologies place the ORIENS AVG issue within the middle phase of his rule, typically between AD 262 and 266. This type belongs to an expansive cycle of thematic reverses celebrating imperial virtues, deities, and successful defensive operations along the northern frontier. Within the RIC V Postumus 77 rubric, sub-variants are catalogued on the basis of bust attire: one format features a radiate, draped bust, while the other exhibits a radiate, draped, and cuirassed bust. The ORIENS AVG reverse design was subsequently reused under later Gallic emperors and parallel central Roman regimes, but the Postumus type remains distinguished by its module, fabric, distinct imperial portraiture, and lack of exergual mint marks.

Circulation, Hoards, and Deposition

Antoniniani of Postumus, including RIC V Postumus 77, circulated extensively throughout the provinces under Gallic control, encompassing Gaul, the Germanies, Britain, and temporarily parts of Hispania. Due to their relatively high intrinsic silver content compared to contemporaneous issues of Gallienus, Postumus's antoniniani were heavily hoarded. They appear in high quantities in major third-century hoards such as the Normanby, Cunetio, and Gibraltar hoards. As inflation accelerated and the Gallic regime itself began to debase its currency toward the end of Postumus's reign and under his successors Victorinus and Tetricus I, earlier antoniniani like RIC V Postumus 77 remained in active circulation or were withheld by savers. Many specimens show moderate to heavy circulation wear, and numerous pieces were ultimately buried during the political instability preceding the reunification of the empire under Aurelian in AD 274.

References

1. The Cunetio Treasure: Roman Coinage of the Third Century AD. pp. 45-52
2. Online Coins of the Roman Empire: RIC V Postumus 77. ric.5.post.77
3. The Roman Imperial Coinage, Volume V, Part II. p. 343, no. 77