RIC II, Part 3 (second edition) Hadrian 478 Dupondius

Monetary Context and Denominational Function

The monetary system of the early Roman Empire relied on a multi-tiered hierarchy of gold, silver, and copper-alloy denominations established by Augustus and maintained into the second century AD. Within this framework, the dupondius functioned as a vital mid-tier fractional piece valued at two asses, one-half of a brass sestertius, or one-eighth of a silver denarius. The dupondius was systematically struck from orichalcum, a golden-hued zinc-bronze alloy that held higher intrinsic value than the pure red copper used for the contemporary as. Because the module and diameter of the dupondius often approached those of the as, imperial authorities employed distinct visual signifiers to facilitate rapid denomination recognition in everyday transactions. Chief among these was the radiate crown, an attribute with solar and divine connotations that had distinguished the obverse of dupondii since the mid-first century AD, while the as typically presented a bare or laureate head. Struck under Hadrian in AD 121, RIC II, Part 3 (second edition) Hadrian 478 represented an everyday medium of exchange in commercial markets, service payments, and municipal spending across Rome and the Western provinces.

Production and Mint Organization

The entire regular production of this orichalcum dupondius took place at the primary imperial mint in Rome. Under Hadrian, the mint of Rome was a large-scale institutional manufactory staffed by specialized artisans, including die engravers (scalptores), flan preparers, furnace operators, and striking teams working under senatorial and imperial financial administrators. Production began with the casting and chemical preparation of measured orichalcum flans, formulated with a controlled proportion of zinc to maintain the characteristic bright golden surface before striking. Blanks were struck hot or warm between hand-cut hardened iron dies. Die alignment at Rome during this period was predominantly oriented at regular six-o'clock or twelve-o'clock axes, though slight operational deviations occurred in high-volume runs. The senatorial letters S C (Senatus Consulto) on the reverse perpetuated the traditional constitutional fiction that Rome's base-metal coinage was authorized by senatorial decree, even though overall mint administration and fiscal policy were directed by the emperor's imperial bureaucracy.

Obverse Portraiture and Iconography

The obverse of RIC II, Part 3 (second edition) Hadrian 478 features a radiate bust of Hadrian facing right, draped, and viewed from the front. The radiate crown encircling his head consists of stylized solar spikes that simultaneously served as the denomination mark of the dupondius and associated the princeps with the cosmic power of Sol. Hadrian's portrait in AD 121 reflects the mature consolidation of his early visual identity. Departing from the clean-shaven tradition of the Julio-Claudian, Flavian, and Trajanic dynasties, Hadrian adopted a neatly trimmed beard and textured curls of hair. This iconic stylistic innovation signaled both his celebrated appreciation of classical Greek philosophy and culture and his alignment with the active aesthetic of Roman military officers on campaign. The drapery across his bust emphasizes formal civic authority and imperial dignity, rendered with plastic naturalism characteristic of Rome's master engravers during the early 120s AD.

Reverse Iconography and Symbolism

The reverse iconography presents Pietas, the personification of religious conscientiousness, filial devotion, and moral duty. She is depicted standing right, veiled in traditional ceremonial attire before a lighted altar. Her veil underscores ritual purity and modesty (pudicitia) in sacred Roman practice. With one hand raised in a solemn gesture of prayer or offering, she holds an acerra, a small cylindrical or lidded incense chest used during sacrificial ceremonies, in her other hand. This tableau encapsulates the emperor's fulfillment of his role as Pontifex Maximus and leader of the state cults. By dedicating coinage to Pietas Augusti, Hadrian celebrated the virtuous continuity of the principate, recalling his reverent respect toward his deified adoptive father Trajan and his adherence to the ancestral mos maiorum. Struck in AD 121, this sacred theme coincided with the celebration of Rome's ancient birthday (Parilia) and broad civic renewal projects in the capital.

Inscriptions and Epigraphic Analysis

The inscriptions on this dupondius are crisply rendered in formal Roman monumental capitals. The unbroken obverse legend reads IMP CAESAR TRAIAN HADRIANVS AVG P M TR P COS III. This comprehensive formula enumerates Hadrian's primary constitutional titles: Imperator (military commander), Caesar (dynastic heir), Traianus (invoking his adoptive father Trajan), Hadrianus, Augustus, Pontifex Maximus (chief priest), Tribunicia Potestate (tribunician authority), and Consul Tertium (consul for the third time). Notably, Hadrian held his third and final regular consulship in AD 119 and never assumed a fourth; hence, COS III remained a static titular element throughout the remainder of his reign. The reverse bears the dedicatory legend PIETAS AVGVSTI, honoring the pietas inherent to the imperial person and office. Flanking the personification in the fields or placed across the lower field and exergue are the letters S C, signifying Senatus Consulto, the official affirmation of senatorial approval required on traditional civic base-metal issues.

Typology and Chronological Classification

In the modern classification of imperial Roman coinage, this issue is catalogued specifically as RIC II, Part 3 (second edition) Hadrian 478. The second edition of Roman Imperial Coinage Volume II, Part 3, revised by Richard Abdy and Peter F. Stannard, substantially refined the chronology of Hadrian's bronze coinage compared to Harold Mattingly's original 1926 schema. Type 478 is placed firmly in the chronological bracket of AD 121 based on stylistic analysis of the portrait bust, legend arrangement, and the sequence of reverse personifications issued alongside contemporary sestertii and denarii. While earlier issues of AD 117 to 119 highlighted Hadrian's accession, the suppression of revolts, and his initial consulships, the issues of AD 121 increasingly focused on religious stability and domestic tranquility prior to his extensive provincial tours. Type 478 is distinct from closely related dupondii that depict Pietas standing left or seated, as well as variants carrying different bust draping formats or legends omitting Trajan's name.

Circulation, Wear, and Archaeological Recovery

Orichalcum dupondii struck at Rome possessed broad circulation velocity across the Roman world. Because base-metal coins served daily retail needs, food purchases, and civic market exchange, specimens of Hadrian's dupondii generally experienced prolonged circulation, often remaining in active use for decades before burial or loss. Wear patterns on surviving examples typically show softening on high points such as the spikes of the radiate crown, the facial hair, and the details of the incense altar. In archaeological contexts, Hadrianic dupondii have been recorded in military site deposits, river finds, and municipal stray losses throughout Roman Britain, Gaul, the Rhine and Danube frontiers, and the Italian peninsula. When buried in hoards, dupondii commonly occur mixed alongside contemporary and earlier sestertii, asses, and worn Flavian or Trajanic bronze pieces, testifying to the sustained longevity and integration of second-century Roman brass denominations.

References

1. Catalogue of the Coins of the Roman Empire in the British Museum: Hadrian to Commodus. Hadrian Dupondii
2. Coins of the Roman Empire in the British Museum (BMCRE), Vol. III: Nerva to Hadrian. Hadrian Bronzes
3. Online Coins of the Roman Empire: RIC II, Part 3 (second edition) Hadrian 478. Type 478
4. The Roman Imperial Coinage, Vol. II, Part 3: From Hadrian to Antoninus Pius: Hadrian. 478
5. Untersuchungen zur romischen Reichspragung des zweiten Jahrhunderts, Teil II: Die Reichspragung zur Zeit des Hadrian. Pragungen des Jahres 121