Gallienus Antoninianus RIC V Gallienus 514: Subtype 1

Monetary Context and the Crisis of the Third Century

The reign of Gallienus marked the climax of the third-century monetary crisis, characterized by catastrophic debasement and soaring inflation. Introduced in AD 215 by Caracalla as a double denarius tariffed at two units but weighing only about one and a half denarii, the radiate antoninianus had completely supplanted the silver denarius as the primary circulating coin of the Roman Empire by mid-century. During the joint reign of Valerian and Gallienus (AD 253 to 260), the silver fineness of the denomination hovered around twenty percent. However, following Valerian's catastrophic capture by the Sasanian king Shapur I in AD 260 and the subsequent fragmentation of the empire into rival regimes in Gaul and Palmyra, the imperial treasury suffered severe resource shortages. To sustain massive military expenditure and pay frontline legions, Gallienus drastically degraded the antoninianus. By the middle of the sole reign (AD 260 to 268), the coins contained less than five percent silver, dropping to roughly one to two percent toward the end of his rule. The coins were essentially copper-lead-tin alloy blanks treated with chemical blanching or silver wash to yield a fleeting, thin silver surface that rubbed away rapidly in everyday circulation.

Production and the Role of Mediolanum

The establishment and rapid expansion of the imperial mint at Mediolanum was one of the central monetary developments of Gallienus's reign. With northern Italy acting as the strategic pivot point for imperial defense against Alamannic invasions and the rival Gallic Empire under Postumus, Mediolanum superseded Rome as the primary military headquarters. The mint commenced major striking operations around AD 258 to 260 and quickly grew into a highly efficient production facility operating across multiple workshops, or officinae. RIC V Gallienus 514: Subtype 1 was produced under this intense military regime. Unlike earlier Roman tradition where coins featured detailed flan preparation, the striking under Gallienus at Mediolanum was expedited: planchets were cast rapidly, often exhibiting irregular shapes, serrated edges, and variable diameters between 18 and 22 millimeters. Striking dies were maintained in heavy rotational shifts, leading to progressive die wear and occasional die clashing. The mint operated with distinctive stylistic conventions, including sharply rendered features and crisp lettering cut with narrow engravers' gravers.

Obverse Iconography and Epigraphy

The obverse of RIC V Gallienus 514: Subtype 1 depicts the radiate head of Gallienus facing right. In standard numismatic classification, Subtype 1 is characterized strictly by the bare head wearing the radiate solar crown, omitting the cuirass or drapery visible on other subtypes of type 514. The radiate crown serves as the traditional denomination marker of the antoninianus, symbolizing the emperor's association with Sol, the divine sun god, whose favor was invoked to illuminate and safeguard the empire. Stylistically, the Mediolanum die cutters rendered Gallienus with a lean facial profile, a straight nose, a closely trimmed military beard, and neatly curled hair bound under the spiked crown. This iconography reflected a departure from the earlier veristic portraits of the soldier emperors, adopting instead a stylized, heroic imperial countenance designed to project authority and composure during an era of unprecedented turmoil.

Reverse Iconography and Symbolism

The reverse of the coin portrays Securitas, the personification of personal safety and imperial stability. She is depicted standing draped, looking left, with her legs crossed in a relaxed stance and leaning her left elbow against a short architectural column. Depending on die variation within the subtype, she sometimes holds a sceptre or transverse rod in her right hand, while on other dies her right hand rests quietly at her side or holds a patera. The crossed legs and column constitute a well-established classical motif signifying tranquil unconcern, steadiness, and liberation from anxiety. In the context of the 260s AD, when barbarian armies breached the northern frontiers and multiple provincial governors rose in rebellion, the prominent deployment of Securitas served a vital propagandistic purpose. It assured both the civilian populace and the army garrisoned in northern Italy that the emperor remained in steadfast control of the state.

Legends and Inscriptional Meaning

The obverse legend is rendered simply as GALLIENVS AVG, an abbreviation for Gallienus Augustus. Unlike earlier imperial issues that catalogued extensive tribunician powers, consulships, and titles of honor, the sole reign coinage adopted short, direct formulas that prioritized immediate legibility and rapid engraving. The reverse inscription reads SECVRIT AVG, abbreviating Securitas Augusti, translating as the Security of the Augustus. This legend specifically linked the stability of the Roman world directly to the personal fortune and well-being of Gallienus himself. In subtype 1 of RIC V 514, the field and exergue are typically plain, although related issues from Mediolanum frequently bore workshop marks such as MP, MS, or MT signifying the first, second, or third officina. The succinct phrasing underscored the imperial message in an urgent, military-focused environment where extended epigraphic titulature had become obsolete.

Typology and Chronological Classification

Within the framework of Roman Imperial Coinage, Percy Webb classified this issue under RIC V Part 1 as Gallienus sole reign, number 514. Online Coins of the Roman Empire (OCRE) distinguishes specific bust variations, assigning Subtype 1 (ric.5.gall(2).514.1) exclusively to specimens with the radiate head right without bust drapery or cuirass. Chronologically, this emission falls securely within Gallienus's sole reign, between AD 260 and AD 268. Mediolanum struck several successive series of antoniniani, beginning with issues celebrating the emperor's German victories and the loyalty of the legions, followed by invocations of deities and virtues such as Securitas, Pax, and Fortuna. Scholars such as Andreas Alföldi and later specialists have dated the bulk of the Securitas issues at Mediolanum to the middle years of the sole reign, around AD 262 to 266, when Gallienus consolidated his defense in northern Italy and reorganized his central mobile cavalry reserve.

Circulation, Hoarding, and Archaeological Context

Antoniniani of the Mediolanum mint circulated widely across the central Roman territories, encompassing Italy, Illyricum, Raetia, Noricum, and the western Balkans. Although Gallic usurpations restricted official imperial circulation in northwestern Europe during the 260s AD, massive quantities of Gallienic radiates eventually dispersed across Gaul and Britain following the reunification of the empire under Aurelian in AD 274. In archaeological excavations and hoard analyses, coins of this type are frequently recovered within large third-century deposits, such as the Cunetio and Normanby hoards in Roman Britain, as well as numerous Italian and Danubian finds. Because the silver content had degraded to negligible levels, the population hoarded earlier, more silver-rich coinage, spending heavily debased pieces like RIC 514.1 in everyday local market exchange. When the monetary reforms of Aurelian introduced the radiate aurelianianus in AD 274, older billon radiates were systematically demonetized, melted down, or retained as small token change until the reform of Diocletian in AD 294.

References

1. Studien zur Geschichte der Weltkrise des 3. Jahrhunderts nach Christus. pp. 1-155
2. Coin Hoards and Hoarding in the Roman Empire. pp. 85-112
3. Coinage in the Roman Economy, 300 B.C. to A.D. 700. pp. 126-157
4. Coining Images of Power: Representations of New Rome on Imperial Coinage, AD 193-284. pp. 200-245
5. The Roman Imperial Coinage, Vol. V, Part I. pp. 172-173, no. 514
6. Online Coins of the Roman Empire: RIC V Gallienus (2) 514.1. ric.5.gall(2).514.1