Gallienus Antoninianus RIC V Gallienus 236

Monetary and Historical Context

The antoninianus catalogued as RIC V Gallienus 236 was issued during the sole reign of Gallienus, spanning from AD 260 to AD 268. This period commenced with the catastrophic capture of Gallienus's father and co-emperor, Valerian, by the Sasanian king Shapur I in AD 260. The loss destabilized the Roman state, encouraging widespread secessions, including the establishment of the Gallic Empire in the west and the autonomous realm of Palmyra in the east. To finance continuous military campaigns against Germanic incursions and internal usurpers, Gallienus presided over a severe acceleration in the debasement of the imperial coinage. The radiate coin, formally an antoninianus or double denarius, had seen its silver fineness steadily decline over the preceding decades. Under Gallienus's sole rule, the alloy collapsed from an already degraded billon to mere base metal with a nominal silver surface wash. Metallurgical studies reveal that silver fineness plummeted to below five percent, transforming the denomination into a token currency whose nominal value far exceeded its intrinsic metallic worth. The type RIC V Gallienus 236 belongs squarely within this hyper-inflationary fiscal context, serving as an everyday medium of exchange to meet pressing military expenditures.

Mint Organization and Production

Production of RIC V Gallienus 236 was concentrated at the principal imperial mint in Rome. During the sole reign of Gallienus, the Rome mint underwent significant administrative and operational reorganization to maintain the vast volume of output required by the treasury. The mint was divided into multiple distinct officinae (workshops), which operated simultaneously. These officinae were systematically designated using Greek or Latin numerals and alphabetic characters, which often appeared in the field or the exergue of the reverse die. The physical production of these antoniniani was marked by rapid manufacture: flans were cast quickly, often resulting in irregular shapes, ragged edges, and significant variations in thickness. Dies were engraved by numerous hands, leading to subtle stylistic discrepancies in portraiture and drapery across different die pairs. Chemical blanching was routinely applied to freshly struck blanks or finished coins, removing surface copper and leaving a microscopically thin silver layer to impart a bright, silver-like appearance when first issued. This superficial enrichment, however, quickly wore away during brief periods of active circulation, exposing the dark, copper-rich alloy underneath.

Obverse Design and Iconography

The obverse of RIC V Gallienus 236 displays the imperial bust of Gallienus facing right. Consistent with standard Roman numismatic convention for the antoninianus denomination, the emperor wears a radiate crown, which distinguished this two-denarius tariff from the laureate denarius. The portrait style on this issue represents the mature sole-reign iconography of Gallienus: the hair is arranged in tight, stylized curls, the short-cropped military beard conforms to third-century soldier-emperor conventions, and the facial features are rendered with broad, alert eyes. Depending on the specific die, the bust may be depicted as bare-necked with light drapery or showing traces of a cuirass and paludamentum. The radiate crown itself is depicted with prominent spikes radiating upward and outward from a fillet band tied at the back of the head. Die-engraving quality within this type ranges from finely modeled portraits executed by master engravers to simplified, linear renderings produced under extreme production quotas. In all instances, the portrait conveys imperial legitimacy, vigilance, and commanding resolve at a time when the central regime faced continuous political fragmentation.

Reverse Iconography: Mars Pacifer

The reverse of RIC V Gallienus 236 features Mars, helmeted and dressed in military attire, standing or striding toward the left. In his extended right hand, Mars holds an upright olive branch, while his left hand supports an inverted spear and holds an oval or round shield resting on the ground or carried on his arm. This specific visual formula represents Mars Pacifer, the bringer of peace. Rather than celebrating destructive conquest, the type conveys the paradox central to Roman imperial ideology: enduring peace could only be achieved, secured, and preserved through overwhelming military preparedness. By clothing the god of war in full armor yet placing an olive branch in his right hand, the regime promised that ongoing military operations would culminate in restoration and civil order. The design served as potent propaganda directed toward the legions, acknowledging their combat role while reassuring the Roman populace that tranquility remained the ultimate objective. Die variations within this catalogue type exhibit minor shifts in Mars's posture, varying between a stationary standing stance and an advancing pose, as well as variations in the placement of the shield and officina letters.

Inscriptions and Epigraphy

The legends on RIC V Gallienus 236 are economical and direct, reflecting the abbreviated epigraphic conventions characteristic of late sole-reign issues. The obverse bears the concise legend GALLIENVS AVG (Gallienus Augustus). By omitting traditional titles such as Pius, Felix, or extended imperial tribunates, the Rome mint maximized the legibility of the emperor's name on reduced flans. The reverse legend MARTI PACIFERO (To Mars the Bringer of Peace) provides the dedicatory framing for the central figure. Inscriptions are rendered in standard Roman capitals, though the execution frequently exhibits the compressed lettering, uneven spacing, and broken bar lines typical of hurried mass production. In addition to the primary legends, reverse dies of this type frequently incorporate workshop marks, such as Greek letters (including Alpha, Beta, or Gamma) or Latin letters (such as P, S, or T) positioned in the field (often to the left or right of Mars) or within the exergue below the ground line. These characters identified the specific mint officina responsible for the issue, facilitating internal administrative oversight and output accounting.

Typology and Chronological Placement

Catalogued originally by Percy H. Webb in Roman Imperial Coinage, Volume V, Part 1, RIC 236 is placed among the extensive sole-reign issues struck at Rome following the capture of Valerian in AD 260 and continuing until the assassination of Gallienus in AD 268. In Robert Göbl's landmark corpus Moneta Imperii Romani (MIR 36), the sole-reign emissions of Rome are organized into numbered emission phases based on hoard sequences, stylistic evolution, and shifting officina marking systems. The Mars Pacifer antoniniani belong to the middle-to-later emissions of the sole reign, preceding or running parallel to the famous animal-themed legionary and religious issues of AD 267 and 268. While modern databases such as Online Coins of the Roman Empire (OCRE) adopt the broad span of AD 260 to AD 268 for RIC V Gallienus 236, numismatists refine this window based on stylistic links with other reverse types, placing the core issue around AD 262 to AD 266. Typological differentiation within RIC 236 is defined primarily by bust attributes on the obverse and the exact posture of Mars, combined with the presence, absence, or position of workshop control letters.

Circulation Patterns and Hoard Evidence

As an essential component of the billon money supply during the 260s AD, RIC V Gallienus 236 circulated extensively across the central territories controlled by Gallienus, including Italy, the Danube provinces, and North Africa. Due to regional monetary partitioning caused by the Gallic Empire in Gaul, Britain, and Hispania, antoniniani from Rome penetrated the northwestern provinces in smaller numbers initially, though they appear regularly in large late-third-century hoards deposited across the western empire. Massive British, French, and Balkan hoards, such as the Cunetio and Normanby finds, illustrate the lifecycle of these coins. They were hoarded alongside earlier, higher-grade billon issues as well as later, even more degraded radiates struck under Claudius II Gothicus and the Divus Claudius memorial issues. Because the superficial silver wash was fragile, surviving specimens in hoards and individual archaeological contexts typically display dark, patinated bronze or copper surfaces with worn high points. The sheer volume of surviving examples attests to the massive scale of output from the Rome mint, which struggled successfully to keep imperial armies supplied with coin during a decade of unrelenting turmoil.

References

1. Coin Hoards and Hoarding in the Roman Empire. pp. 112-145
2. The Cunetio Treasure: Roman Coinage of the Third Century AD. Section on Gallienus sole reign, Rome mint
3. Die Münzprägung der Kaiser Valerianus I. / Gallienus / Saloninus (253/268) (MIR 36). Emission series for Rome
4. Coining Images of Power: Representations of Roman Emperors on Coins, AD 193-284. pp. 185-212
5. Online Coins of the Roman Empire: RIC V Gallienus (2) 236. ric.5.gall(2).236
6. The Roman Imperial Coinage, Vol. V, Part I. pp. 149-150, no. 236