Nerva: Silver denarius Coinage

Coinage Scope and Selected Issues

The Silver denarius coinage issued in the name of Nerva includes issues distinguished by their portraits, inscriptions, reverse designs and mint attribution. This study concentrates on the sacrificial-implements issues and their dated emissions, rather than presenting one design as the entire denomination.

The issue dates and detailed iconographic descriptions below apply to the discussed groups, not automatically to every coin bearing the ruler's name. Other types and mints require their own catalogue comparison. An individual gallery coin must be assessed from its own inscriptions and institutional record; its measurements and provenance do not define the whole coinage.

Historical Context

The accession of Marcus Cocceius Nerva on 18 September 96 CE followed the assassination of Domitian, bringing an abrupt end to the Flavian dynasty (Cassius Dio 68.1). A senior senator and jurist who had shared ordinary consulships with Vespasian in 71 CE and Domitian in 90 CE, the sixty-five-year-old Nerva was elevated by senatorial consensus to maintain administrative continuity and prevent renewed civil war. Although the Senate enthusiastically ratified his elevation and rescinded Domitian's acts through formal damnatio memoriae, Nerva lacked familial dynastic ties, personal military prestige, and meaningful support among the frontier legions and Praetorian Guard.

To consolidate his precarious position, the imperial administration initiated an intensive monetary program projecting themes of civil reconciliation, traditional senatorial liberty (Libertas Restituta), fiscal relief, and pious adherence to ancestral religious customs. Political vulnerability reached a crisis in the autumn of 97 CE when the Praetorian Prefect Casperius Aelianus led a mutiny on the Palatine, besieging the imperial palace and forcing Nerva to surrender Domitian's assassins for execution. Recognizing the necessity of military backing, Nerva took the decisive step in late October 97 CE of adopting Marcus Ulpius Traianus (Trajan), the governor of Upper Germany, on the Capitoline. Nerva died of natural causes shortly thereafter, on 27 or 28 January 98 CE, having successfully secured a peaceful succession that established the Nerva-Antonine dynasty.

Selected Issues: Obverse Iconographic Composition

The obverse displays a right-facing portrait bust of Nerva wearing a laurel wreath tied at the occiput with two ribbon ties extending down the neck. The portraiture breaks sharply with the smoothed, heroic conventions of late Flavian portraiture, adopting instead an unsparing, naturalistic verism that recalls late Republican ancestral busts.

The engravers rendered the physical realities of the aging princeps in acute detail: deep nasolabial creases, hollowed cheeks, sagging skin along the jawline, prominent neck musculature, and a pronounced, thin, aquiline nose. This stark visual characterization served a deliberate ideological purpose, underscoring Nerva's maturity, legal gravitas, and ascetic devotion to the res publica in conscious contrast to the imperial autocracy of Domitian.

Selected Issues: Obverse Epigraphy and Inscriptions

The obverse legend is cut in clear Classical Latin square capitals along the inner border of the flan:

• Inscribed Legend: IMP NERVA CAES AVG P M TR POT II
• Transliteration: Imperator Nerva Caesar Augustus, Pontifex Maximus, Tribunicia Potestate II
• English Translation: "Imperator Nerva Caesar Augustus, Supreme Pontiff, invested with Tribunician Power for the second time."

The text begins at the lower left perimeter (approximately 7:30) and proceeds clockwise to the lower right. The inclusion of TR POT II serves as the primary chronological anchor for this issue, marking the renewal of Nerva's tribunician authority in September 97 CE prior to his assumption of the military victory title Germanicus in late October of the same year.

Selected Issues: Reverse Iconographic Composition

The reverse features a horizontal register of four ancient Roman priestly and sacrificial implements resting in the field:

1. Simpulum (far left): A ceremonial ladle with a long vertical handle and an upright cupped bowl. In Roman public ritual, it was employed by priests to scoop libation wine from the central mixing vessel (crater) and pour it onto sacrificial offerings or burning altars.
2. Aspergillum (center-left): A sacred sprinkling broom consisting of a short rod tipped with horsehair or vegetable bristles. It was dipped into holy water (aqua lustralis) to sprinkle and ritually purify the congregation, sacred precinct, and sacrificial victim.
3. Urceus (center-right): A single-handled ritual pitcher or ewer set upon a small foot, used to store, transport, and pour sacrificial wine, oil, or water during altar ceremonies.
4. Lituus (far right): An augural staff lacking joints and curling into a spiral at its upper terminus. It was held by members of the augural college to section the sky into sacred quadrants (templa) during divinatory bird-watching rituals.

Rendered without an exergual line, these instruments float within the flan field, arranged linearly to present an orderly catalogue of public ritual equipment.

Selected Issues: Reverse Epigraphy and Inscriptions

The reverse legend is executed in standard Latin epigraphic script, circling the perimeter around the ritual emblems:

• Inscribed Legend: COS III PATER PATRIAE (frequently rendered with a raised medial stop: COS · III PATER PATRIAE)
• Transliteration: Consul Tertium, Pater Patriae
• English Translation: "Consul for the third time, Father of the Fatherland."

The legend begins at the lower left edge (approximately 7:30) and curves along the upper rim before terminating at the lower right (approximately 5:00). Nerva entered his third ordinary consulship on 1 January 97 CE alongside Lucius Verginius Rufus. The companion honorific title Pater Patriae had been accepted by Nerva during the earliest weeks of his reign in late 96 CE, appearing consistently on his precious metal issues throughout 97 CE.

Typology and Documented Variants

The silver denarii of Nerva were minted exclusively in Rome. Spectrometric analyses by Kevin Butcher and Matthew Ponting demonstrate that Nerva maintained the reformed Flavian silver standard established by Domitian in mid-85 CE, averaging between 90% and 92% silver content with the balance consisting of copper and trace elements. The series operated on a modal weight standard between 3.25 and 3.40 grams with standard flan diameters of 17 to 19 mm.

The sacerdotal implements type (catalogued as RIC II 34; BMCRE III 56; RSC 51) belongs to a broader typological progression spanning five sequential emissions:

• Emission 1 (18 September - 31 December 96 CE): Characterized by consular designation COS II DESIGN III and initial tribunician count TR P. The implements reverse carries the legend COS II DESIGN III P P (RIC II 12).
• Emission 2 (1 January - September 97 CE): Reflects the inauguration of his third consulship, reading COS III on the reverse and TR P or TR POT on the obverse (RIC II 24). A verified die variant omits an internal letter in the reverse legend, reading COS III PATER PATRAE.
• Emission 3 (circa 18 September - late October 97 CE): Defined by the obverse renewal TR POT II combined with the unchanged reverse COS III PATER PATRIAE (RIC II 34), representing the present type.
• Emission 4 (late October - December 97 CE): Triggered by the adoption of Trajan, this emission introduces the cognomen GERM on the obverse and COS III DESIGN IIII on the reverse. The sacrificial implements type was temporarily suspended during this brief window in favor of allegorical virtue types such as Aequitas, Fortuna, and Libertas.
• Emission 5 (1 January - 27/28 January 98 CE): Reflects Nerva's fourth consulship. The sacrificial implements design resumes with the legend IMP II COS IIII P P, paired with the laureate obverse reading IMP NERVA CAES AVG GERM P M TR P II (RIC II 47).

Scholarly Debates and Attribution Limitations

Two principal debates dominate the scholarly literature surrounding this series:

• Chronology of Tribunician Renewal: A traditional numismatic problem concerned whether Nerva renewed his tribunician power on the traditional senatorial date of 10 December or on the anniversary of his accession on 18 September. As argued by Harold Mattingly and Mason Hammond, dating the renewal to 10 December creates an unworkable historical anomaly, compressing Emission 3, the adoption of Trajan in late October (which introduced the title Germanicus), and Emission 4 into an impossible three-week span prior to 1 January 98 CE. Consequently, numismatic consensus establishes that Nerva renewed his tribunician power on 18 September 97 CE, placing Emission 3 securely in the autumn of 97 CE.
• Interpretation of the Four Sacerdotal Emblems: Nineteenth- and early twentieth-century numismatists routinely interpreted the four tools as exact 1:1 emblems of the quattuor amplissima collegia: the simpulum for the Pontifices, the lituus for the Augures, the tripod or aspergillum for the Quindecimviri Sacris Faciundis, and the patera or urceus for the Septemviri Epulonum. More recent studies by Nathan Elkins and Bernhard Woytek caution against this rigid departmental schematization. Ancient iconographic syntax indicates that while the simpulum and lituus clearly represent the pontifical and augural colleges, the implements were understood collectively as a unified assertion of Nerva's overarching religious stewardship as Pontifex Maximus, his traditional senatorial pietas, and his restoration of divine favor to the empire.

References

1. Online Coins of the Roman Empire (OCRE): RIC II Nerva 34 (denarius). Type record ric.2.ner.34_denarius
2. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan. Kevin Butcher and Matthew Ponting, Cambridge University Press (2015). First-century silver coinage; not a direct source for Severan fineness.
3. Cassius Dio, Roman History, Book 68. Book 68, Chapters 1-4 (Loeb Classical Library edition, trans. Earnest Cary, 1925)
4. The Image of Political Power in the Reign of Nerva, AD 96-98. Nathan T. Elkins (2017), Oxford University Press, pp. 45-55, 93-97
5. Coins of the Roman Empire in the British Museum (BMCRE), Vol. III: Nerva to Hadrian. Harold Mattingly (1936), p. 10, no. 56
6. Reflections on Nerva's Imperial Coinage. Bernhard Woytek (2021), Journal of Roman Archaeology 34, pp. 813-823. Review of Nathan T. Elkins (2017).
7. The Roman Imperial Coinage, Vol. II: Vespasian to Hadrian. Harold Mattingly and Edward A. Sydenham (1926), pp. 220-226