Salonina Billon Antoninianus, RIC V Salonina (2) 32

Monetary Context and the Sole Reign Crisis

The emission of RIC V Salonina (2) 32 occurred during one of the most volatile periods in Roman monetary history. Following the capture of Emperor Valerian I by the Sasanian king Shapur I in AD 260, Gallienus governed as sole emperor amidst rampant usurpations in Gaul and the East. The Roman treasury faced immense military expenditures while losing access to major tax bases in secessionist provinces, prompting an unprecedented debasement of the double denarius or antoninianus. Although classified traditionally as a silver denomination, the metal composition of antoniniani struck at Rome between AD 260 and 268 declined precipitously. Metallurgical analyses show that issues from this phase typically contain between five percent and less than two percent silver, consisting largely of copper or bronze enriched by a fleeting argentiferous surface wash applied via chemical blanching. In this hyper-inflationary environment, the imperial mints operated at breakneck speed to satisfy troop pay and maintain market liquidity. Coins struck in the name of Cornelia Salonina, Gallienus's long-serving Augusta, served a vital legitimizing purpose. Amidst civil strife, the continuation of issues for the empress reinforced dynastic continuity and civilian harmony, projecting an illusion of constitutional order and stability at the imperial core.

Mint Organization and Production Techniques

Numismatic consensus securely attributes RIC V Salonina (2) 32 to the primary mint of Rome. During the sole reign of Gallienus, the Rome mint was expanded into a highly organized industrial operation divided across up to twelve distinct officinae, or workshops. Although many issues of this period carry explicit officina marks in the reverse field or exergue, RIC V Salonina (2) 32 represents an unmarked variety or earlier sequence within the sole reign series, though related die linkages integrate it directly into the Rome mint's production. The physical manufacture of these billon radiates reflects emergency wartime conditions. Blanks were cast in multiple-cavity open moulds, often resulting in irregular, jagged flans, variable thicknesses, and characteristic casting sprues that were imperfectly trimmed prior to striking. Weight standards were highly erratic, with specimens generally clustering between 2.2 and 3.5 grams, although individual pieces occasionally fall outside this bracket. Dies were engraved rapidly by multiple artisans, leading to subtle stylistic nuances in the portraiture of the empress and the drapery of Vesta. The mint achieved striking velocity by utilizing paired dies until advanced states of wear, cracking, and deterioration were reached.

Obverse Iconography and Imperial Representation

The obverse of RIC V Salonina (2) 32 displays the bust of Empress Salonina facing right, draped and wearing a stephane or diadem. Beneath the truncation of the bust rests an upward-curving crescent moon. In imperial numismatic convention established during the Severan period, the crescent beneath the empress's bust served as the metrological equivalent to the radiate crown worn by male emperors, denoting the coin as a double denomination rather than a standard denarius. Salonina's portraiture on this issue conforms to the established late-reign stylistic paradigm of the capital. Her hair is arranged in carefully waved horizontal braids gathered behind the neck and carried upward in a wide plait to the crown of the head, reflecting the dignified matronly coiffure typical of third-century empresses. Her facial features are rendered with formal, slightly idealized classicism, featuring a straight nose, almond-shaped eye, and firm chin, counteracting the increasingly schematized and linear style that characterized late third-century die engraving. The die-sinkers maintained consistent attention to the folds of her mantle and the proportions of the crescent, ensuring the imperial authority remained instantly recognizable despite the degraded alloy.

Reverse Iconography: Cult of Vesta

The reverse design depicts the goddess Vesta, draped in long robes, seated facing left upon a backless throne or stool. In her outstretched right hand, Vesta holds a patera, a shallow libation bowl used in sacred offerings, while her left hand supports a tall, slender sceptre held vertically or slightly inclined. Vesta was among the most ancient and venerated deities of the Roman pantheon, serving as the guardian of the eternal hearth fire preserved by the Vestal Virgins in the Forum Romanum. On Roman imperial coinage, Vesta was traditionally associated with female members of the imperial family, symbolizing domestic rectitude, chastity, and the preservation of the sacred commonwealth. In the context of Gallienus's sole reign, the seated Vesta was a conservative religious choice emphasizing devotion to ancestral Roman rites (pietas) at a moment when traditional Roman institutions were under existential threat. The posture of the seated goddess, engaged in perpetual religious sacrifice, conveyed tranquility, domestic stability, and divine protection over the imperial household and the eternal city of Rome itself.

Epigraphy and Legend Structure

The legends on RIC V Salonina (2) 32 are concise and standard for the Rome mint's production in this timeframe. The obverse legend reads SALONINA AVG, which transcribes the nominative singular title Salonina Augusta. This curtailed formulation superseded the longer titles of her early joint-reign issues, such as CORNELIA SALONINA AVG, reflecting a general trend toward textual economy during the mid-260s AD as smaller flans necessitated shorter inscriptions. The reverse legend consists solely of the deity's name, VESTA, arranged uninterrupted along the upper left and right periphery. The epigraphy exhibits the typical characteristics of mid-third-century capital lettering: sans-serif capitals with pronounced triangular serifs on certain strokes, slightly irregular letter sizing, and occasionally crowded spacing depending on the diameter of the hand-cut die. The simplicity of the legend structure minimized the possibility of die-cutting errors, ensuring clear communication of the central ideological message: the imperial standing of the Augusta and her alignment with the protective power of Vesta.

Typology, Classification, and Chronological Placement

Within modern numismatic classification, this issue is catalogued as RIC V.1 Salonina (sole reign) 32 in Percy H. Webb's 1927 volume of The Roman Imperial Coinage. In Robert Gobl's masterwork on the coinage of Valerian and Gallienus (Die Munzpragung der Kaiser Valerianus I. / Gallienus / Saloninus), the type is integrated into the emission sequences of the Rome mint, where it is dated to the mid-to-late phases of the sole reign (circa AD 260 to 266). The type must be distinguished from several closely related issues. During the earlier joint reign of Valerian and Gallienus (AD 253 to 260), Salonina was also portrayed with Vesta seated reverses, but those earlier antoniniani frequently carry the longer obverse inscription CORN SALONINA AVG or CORNELIA SALONINA AVG and exhibit a visibly finer silver alloy. Furthermore, later sole-reign issues for Salonina often incorporate officina marks, such as Greek or Latin numerals in the exergue or field, or depict standing variants of Vesta (such as VESTA AETERNA). The absence of field marks on RIC V Salonina (2) 32 places it in an earlier stylistic bracket of the sole reign, before the rigorous, comprehensive marking system became universal across all Rome workshops.

Circulation Patterns and Archaeological Evidence

As part of the massive antoninianus output of the Rome mint, RIC V Salonina (2) 32 circulated extensively across the western and central provinces of the Roman Empire. The coin appears frequently in major archaeological finds, most notably the colossal third-century British hoards such as the Cunetio Hoard and the Normanby Hoard, which preserve thousands of debased radiates deposited in the late 270s and 280s AD. In circulation, these billon antoniniani experienced rapid wear; the paper-thin silver plating or surface wash wore away quickly in daily transactions, exposing the dark, cuprous core beneath. Under the operation of Gresham's Law, the debased radiates of Gallienus's sole reign drove older, higher-purity silver coins out of open circulation into private hoards. Despite the eventual monetary reforms initiated by Aurelian in AD 274, which introduced the higher-standard radiate marked XXI, coins of the sole reign of Gallienus continued to circulate in enormous quantities for decades, remaining active in provincial commerce until the comprehensive currency reforms of Diocletian at the close of the third century AD.

References

1. The Cunetio Hoard: Romano-British Coin Hoards II. pp. 140-145
2. Coin Hoards and Hoarding in the Roman Empire. pp. 112-118
3. Die Munzpragung der Kaiser Valerianus I. / Gallienus / Saloninus (253/268). MIR 36
4. Online Coins of the Roman Empire: RIC V Salonina (2) 32. ric.5.sala(2).32
5. The Roman Imperial Coinage, Vol. V, Part I. p. 194, no. 32