Valentinian II Gold Solidus RIC IX Mediolanum 8A

Monetary Context and Weight Standards

The fourth-century Roman monetary system was anchored by the gold solidus, a denomination originally instituted by Constantine I to replace the unstable aureus. By the joint reigns of Valentinian II and Theodosius I, the solidus was struck at the tariff of 72 to the Roman pound (libra), yielding a theoretical weight standard of approximately 4.54 grams, though carefully controlled production averages generally clustered between 4.45 and 4.48 grams of exceptionally pure gold. Under the fiscal administration of the Comes Sacrarum Largitionum, gold coinage was integral to state solvency, functioning as the compulsory medium for imperial tax collection, donatives paid to field armies upon imperial accessions and quinquennial anniversaries, and high-level administrative transactions. The period from AD 383 to 387 witnessed severe geopolitical disruption in the Western Empire. Following the usurpation of Magnus Maximus in Britain and the subsequent death of Gratian in AD 383, the western provinces of Gaul, Britain, and Hispania were severed from legitimate central dynastic control. The court of Valentinian II, established at Mediolanum, relied heavily on the regular emission of high-purity solidi to preserve the allegiance of military contingents stationed across Italy, Illyricum, and North Africa. Gold issues of this period were struck to stringent metallurgical standards, often corroborated by exergual marks signifying refined gold (obryzum), which reinforced civic and commercial confidence in the currency despite surrounding political instability.

Mint Organization and Production at Mediolanum

During the mid-to-late fourth century, Mediolanum operated as the preeminent administrative capital and military headquarters of the Western Roman Empire. The presence of the imperial court (comitatus) necessitated the operation of an active palatine mint capable of producing vast quantities of gold coin on demand. Solidus production at Mediolanum for RIC IX Mediolanum 8A was executed under strict oversight by officials of the sacrae largitiones. The mint utilized carefully calibrated pairs of iron or bronze dies, cut with remarkable consistency and artistic refinement. Die orientation for solidi of this period was predominantly aligned to twelve o'clock or six o'clock, reflecting disciplined workshop habits. The gold blanks were cast, weighed individually to prevent light-striking, and brought to striking temperature to achieve deep, crisp relief. The mint signature in the exergue typically incorporates COM or associated abbreviations, attesting to the authority of the comes and the verified standard of the metal. Mediolanum's die-engravers distinguished themselves through balanced letter spacing, finely modulated facial features, and elaborate rendering of textile drapery on both the obverse portrait and the reverse enthroned figures.

Obverse Iconography and Imperial Regalia

The obverse of RIC IX Mediolanum 8A presents a right-facing bust of Valentinian II, rendered with the standardized formal regalia of late antique autocratic power. The emperor is depicted wearing a pearl diadem consisting of two parallel rows of pearls secured at the occiput with an elaborate jeweled clasp and ribbon-like pendilia extending down the neck. The imperial costume combines civilian and military attributes: the paludamentum (imperial mantle) is pinned at the right shoulder by a round, gem-set fibula with three hanging pendants, draped gracefully over a cuirass that is visible at the breast and collar. Despite Valentinian II being a youth during the years AD 383 to 387, having been elevated to the purple as a young child in AD 375, the portrait does not seek to provide a realistic or vulnerable depiction of childhood. In accordance with late Roman court aesthetics, the face exhibits idealizing, stylized characteristics, featuring large almond-shaped eyes gazing slightly upward, a straight bridge to the nose, and a placid, youthful countenance that projects divinely sanctioned serenity and unchanging imperial majesty.

Reverse Iconography: The Enthroned Augusti

The reverse of RIC IX Mediolanum 8A features an intricate iconographic scheme centered on two nimbate emperors seated facing on a broad, shared imperial throne. Both Augusti are depicted with their lower bodies draped in formal robes. Together, their hands clasp a large celestial or terrestrial globe held between them, symbolizing shared cosmic authority and undivided rule over the Roman world. The emperor on the right additionally holds a mappa (the cloth used to open public games and official assemblies) in his left hand, highlighting his consular prerogative and judicial role. Hovering directly behind and between the two seated rulers is a winged Victory with outspread wings, extending her patronage and protection over the collegial throne. In the lower field or exergue, beneath the throne, rests a horizontal palm branch, an enduring emblem of triumph and enduring peace. This visual composition, traditionally designated as the 'Two Emperors' type, carried profound political weight during the AD 383 to 387 interval. It asserted an uninterrupted collegiate partnership, visually linking the vulnerable court of Valentinian II at Mediolanum with the formidable military regime of Theodosius I in Constantinople, while outwardly asserting an imperial concord that masked tense diplomatic negotiations with the usurper Magnus Maximus.

Epigraphy and Legend Analysis

The epigraphic program of RIC IX Mediolanum 8A follows the established protocols of late fourth-century western mints, employing clean, upright Latin capital lettering with minimal serifs. The obverse legend reads D N VALENTINI-ANVS P F AVG, which expands in transcription to Dominus Noster Valentinianus Pius Felix Augustus ('Our Lord Valentinian, Pious and Fortunate Augustus'). The inscription is divided across the upper field by the top of the pearl diadem, breaking symmetrically between the 'I' and 'A' of the ruler's name, a standard diagnostic trait for Mediolanum issues of this period. The reverse legend is rendered as VICTOR-IA AVGG, expanding to Victoria Augustorum ('Victory of the Augusti'). The double 'G' at the conclusion of the legend explicitly denotes the presence of two collegiate emperors, directly matching the numismatic image of two figures seated on the throne. This plural abbreviation was deliberately employed to reinforce the constitutional concept of collegiate sovereignty, invoking divine victory on behalf of both recognized rulers of the empire.

Typology and Chronological Classification

Within the typology of Roman Imperial Coinage Volume IX, the entry Mediolanum 8A forms part of a cohesive series of gold issues produced during Valentinian II's second western period, specifically bounded by Gratian's assassination in late summer AD 383 and the invasion of Italy by Magnus Maximus in AD 387. The 'Two Emperors' reverse had been popularized under Valentinian I and Valens, and it was maintained under Gratian across several western mints including Treveri and Mediolanum. Following Gratian's fall, Mediolanum became the primary western mint striking legitimate issues for the child-emperor. RIC IX categorizes type 8 into sub-varieties according to issuing authority, portrait details, and minor field mark arrangements; type 8A specifically denotes the solidi struck in the name of Valentinian II, distinguished from parallel or contemporaneous emissions struck for his eastern colleague Theodosius I (RIC IX Mediolanum 8B) or the child Arcadius (RIC IX Mediolanum 8C). Production of this type ceased abruptly in AD 387 when Magnus Maximus advanced across the Alps into Italy, prompting Valentinian II and his court to abandon Mediolanum and seek sanctuary with Theodosius I in Thessalonica.

Circulation, Hoard Evidence, and Economic Role

Solidi of type RIC IX Mediolanum 8A functioned within the highest strata of the Mediterranean monetary economy. Unlike base-metal bronze nummi, which circulated rapidly in retail transactions and experienced heavy physical abrasion, gold solidi experienced controlled, lower-velocity circulation. They were primarily used to distribute military stipends, satisfy administrative bonuses, settle inter-provincial balance-of-trade payments, and pay substantial imperial levies. Because solidi retained intrinsic bullion value irrespective of geographic or political boundaries, they circulated widely beyond Northern Italy, traveling with military units across Illyricum and into the eastern provinces, as well as crossing frontier zones through diplomatic subsidies. Archaeological and hoard evidence across Italy, the Balkans, and Western Europe indicates that solidi of this period were frequently cached in small groups or mixed into substantial gold hoards alongside earlier Valentinianic and subsequent Theodosian issues. Their presence in late fourth- and early fifth-century hoards demonstrates that despite the political collapse of Valentinian II's Italian administration in AD 387, these solidi remained in circulation for decades, frequently accepted by weight and preserved for their exceptional metallurgical purity.

References

1. Les monnaies d'or de Constantin II a Zenon (337-491). pp. 115-120
2. The Roman Imperial Coinage, Volume X: The Divided Empire and the Fall of the Western Parts. pp. 16-24
3. Online Coins of the Roman Empire: RIC IX Mediolanum 8A. ric.9.med.8A
4. The Roman Imperial Coinage, Volume IX: Valentinian I - Theodosius I. pp. 76-77, no. 8a