Nero Orichalcum As, RIC I (second edition) Nero 215

Monetary Context and the Neronian Currency Reform

The introduction of the copper-alloy as catalogued as RIC I (second edition) Nero 215 represents a notable moment in early imperial monetary history. Prior to Nero's major currency reorganization around AD 64, standard Julio-Claudian asses had traditionally been struck in pure copper, distinguished by color and mass from orichalcum (brass) sestertii and dupondii. Nero reorganized the entire Roman base-metal system, experimenting with an all-orichalcum series alongside traditional metals. Because orichalcum held higher intrinsic value than red copper, an orichalcum as could be struck on a noticeably lighter flan than an older copper as. To avoid confusion among users navigating a diverse circulation pool of lighter brass coins and heavier copper pieces, the imperial administration implemented clear visual indicators of value. The radiate crown, traditionally reserved for divinized predecessors or higher denominations such as the dupondius, was experimentally utilized on orichalcum asses, while explicit numerical marks of value were added in the exergue to denote the unit tariff.

Production and Mint Attribution

This coin type was struck exclusively at the imperial mint of Rome. The mint at Rome operated with heightened technical refinement during this period, producing deeply engraved portrait dies with realistic modeling and balanced lettering. Production of these orichalcum asses was carefully controlled, featuring flans typically ranging around 27 to 29 millimeters in diameter with typical target weights centering near 8.0 to 8.5 grams, although surviving pieces show natural mass variability due to ancient batch-tally casting and striking methods. Metallurgically, the type was prepared using an alloy rich in zinc, giving the newly struck coins a bright, golden appearance distinct from older red copper asses. The addition of the numeral I in the exergue was carefully integrated into the reverse die layout, confirming that the mark of value was planned from the outset of the die-cutting process at Rome rather than added as a secondary modification.

Obverse Iconography and Imperial Portraiture

The obverse of RIC I (second edition) Nero 215 features a finely rendered portrait of Nero facing right, wearing a radiate crown. By adopting the radiate crown on a base-metal unit, the mint elevated Nero's living portrait with solar and divine associations previously reserved for posthumous commemorations of Divus Augustus or specifically designated to mark the double denomination of the dupondius. The modeling reflects the mature Neronian court style, characterized by a heavy neck, prominent jawline, and intricately curled hair styled across the forehead and nape. The radiate crown serves a dual function: it represents an artistic assimilation to Apollo and Sol while functioning within the revamped denominational scheme as a potential denominational differentiator during the mid-60s AD reform.

Reverse Type and Religious Symbolism

The reverse depicts the Genius of the Emperor (Genius Augusti) standing facing left. The personification is portrayed holding a patera in the extended right hand, with which an offering is poured over an ignited altar set on the ground to the left. In the left arm, the figure cradles a cornucopiae filled with fruits, symbolizing abundance, fertility, and peace. Flanking the lower fields is the traditional senatorial authority mark S C (Senatus Consulto). In the exergue below the ground line, the numeral I is cleanly engraved, signifying the denomination of one as. The iconography emphasizes imperial piety and the divine spirit guardian of the emperor, intertwining civic prosperity with the religious protection enveloping Nero's reign.

Inscriptions and Epigraphic Analysis

The obverse legend reads NERO CLAVD CAESAR AVG GER P M TR IMP P P, running clockwise from the lower left. This formula abbreviates Nero Claudius Caesar Augustus Germanicus, Pontifex Maximus, Tribunicia Potestate, Imperator, Pater Patriae. The legend encapsulates Nero's full imperial titulature, omitting the specific tribunician iterative numeral, which was standard practice on Roman base-metal coinage of this era. The reverse legend reads GENIO AVGVSTI, translating to 'To the Genius of the Emperor' in the dative case of dedication. This legend is complemented by the formulaic senatorial authorization S C and the exergual numeral I, creating a tightly unified epigraphic presentation that merges imperial cult devotion with functional administrative marking.

Typology and Chronological Placement

Within the Roman Imperial Coinage typology, RIC I (second edition) Nero 215 belongs to the major reform group of copper-alloy issues initiated circa AD 64 and continuing until Nero's death in AD 68. More specifically, numismatists date the introduction of the mark-of-value series to roughly AD 64 to AD 66. This experimental phase, which systematically placed numerals on orichalcum fractions (I on the as, S on the semis, and three pellets or a cross on the quadrans), was relatively short-lived. Public familiarity with the new denominations or practical resistance to having radiate crowns on both dupondii and asses led the mint to phase out both the exergual marks of value and the radiate crown on asses before the end of the reign, transitioning back to bare or laureate heads for the single as. RIC 215 represents the exact catalogued variety featuring the radiate head right, the Genius Augusti at the altar, and the exergual mark I.

Circulation Patterns and Archaeological Context

Although minted at Rome, orichalcum asses of this issue entered general monetary circulation throughout the Italian peninsula and the western provinces. Because the coin possessed a regulated brass composition and clear senatorial sanction, it circulated alongside older Tiberian, Claudian, and early Neronian copper coins. Archaeological finds and hoard evidence across Roman Britain, Gaul, the Rhineland, and Italy indicate that marked orichalcum asses circulated actively for decades, frequently showing heavy surface wear. As the bright golden surface toned to a dark patina over time, the distinct radiate portrait and the exergual numeral I helped commercial users identify the coin as a full as rather than a fractional semis or an older worn dupondius. Over subsequent decades, particularly following the civil wars of AD 68 to 69, Nero's marked base-metal denominations were absorbed into the vast Flavian circulation pool.

References

1. Coins of the Roman Empire in the British Museum, Vol. I: Augustus to Vitellius. pp. clxvi-clxxiii, 235-245
2. The Western Coinages of Nero (Numismatic Notes and Monographs 161). pp. 80-92
3. Online Coins of the Roman Empire: RIC I (second edition) Nero 215. ric.1(2).ner.215
4. The Roman Imperial Coinage, Vol. I: From 31 BC to AD 69 (revised edition). pp. 161-163, no. 215