Silver Denarius of Pertinax

Historical Context

The silver denarii struck in the name of Publius Helvius Pertinax constitute one of the most chronologically compressed and politically expressive monetary series of the Principate. Following the assassination of Emperor Commodus on the night of 31 December 192 CE, conspirators led by the Praetorian prefect Quintus Aemilius Laetus offered the imperial office to Pertinax, a sixty-six-year-old senator, distinguished military commander, and serving urban prefect of Rome. Formally acclaimed Augustus on 1 January 193 CE, Pertinax inherited financial and political difficulties described by ancient writers in accounts hostile to Commodus. Their explanations should be distinguished from independently measurable monetary evidence.

During his eighty-seven-day rule, Pertinax initiated sweeping fiscal retrenchment. He auctioned imperial court luxuries, abolished burdensome road and commercial tolls, stimulated agricultural reclamation, and sought to restore traditional administrative accountability. However, his insistence on restoring military discipline and his payment of only half of the promised 12,000 sesterces accessional donative alienated the Praetorian Guard. On 28 March 193 CE, mutinous guardsmen invaded the imperial palace and assassinated the emperor, triggering the protracted civil wars known as the Year of the Five Emperors. Following his victory later in 193 CE, Septimius Severus claimed the political mantle of Pertinax, having the Senate formally deify him and issuing a dedicated series of posthumous consecration denarii in his memory.

Obverse Iconographic Composition

Lifetime denarii normally portray Pertinax as a laureate, bearded man facing right. The lined forehead, prominent nose, and dense beard place the portrait within the visual traditions of the later second century. Differences in the shape of the head, eye, beard, and neck distinguish dies and proposed mint groups.

Some denarii of distinctive style are attributed to Alexandria. Their attribution depends on comparisons of style, legends, and manufacture, rather than a mint name written on the coin. They remain imperial denarii with Latin legends and must be distinguished from Alexandrian provincial tetradrachms.

Posthumous denarii under Septimius Severus use a bare-headed portrait of the deified Pertinax, providing a separate category from his lifetime laureate issues.

Obverse Epigraphy and Inscriptions

The usual lifetime legend is IMP CAES P HELV PERTIN AVG, written in abbreviated Latin capitals. It expands to Imperator Caesar Publius Helvius Pertinax Augustus: Emperor Caesar Publius Helvius Pertinax Augustus. Minor contractions and divisions must be transcribed from the individual die rather than regularized into a supposed universal formula.

Posthumous issues use DIVVS PERT PIVS PATER, meaning the deified Pertinax, dutiful father. This identifies the honored ruler; Septimius Severus is the issuing authority. The posthumous title and bare head must not be mistaken for a lifetime portrait variant.

Reverse Iconographic Composition

The principal denarius designs invoke equity, prosperity, divine care, and renewed civic life:

• Aequitas stands with scales and a cornucopia. The design expresses fairness; it is not evidence of a metallurgical reform.
• Laetitia stands with wreath and sceptre, under a legend celebrating the happiness of the times.
• LIBERATIS CIVIBVS accompanies more than one personification. One documented silver variant shows Liberalitas with a distribution tablet and cornucopia; identification must follow the attributes rather than the legend alone.
• Ops sits with grain ears, invoking agricultural abundance.
• Providentia gestures toward a star; the rendering of the arms and star varies.
• The vows type shows the veiled emperor sacrificing over an altar, expressing hopes for a long reign.

Less frequent designs are catalogued with legends such as DIS CVSTODIBVS, IANO CONSERVAT, MENTI LAVDANDAE, and SAECVLO FRVGIFERO. Their rarity does not by itself date them to the opening days of the reign.

Reverse Epigraphy and Inscriptions

The reverse legends are abbreviated Latin. Several, but not all, incorporate constitutional titles:

• AEQVIT AVG TR P COS II: imperial equity; holder of tribunician power, consul for the second time.
• LAETITIA TEMPOR COS II: happiness of the times; consul for the second time.
• LIBERATIS CIVIBVS: with the citizens freed, or for the liberation of the citizens.
• OPI DIVIN TR P COS II: to divine Ops; holder of tribunician power, consul for the second time. Longer spellings occur in the repertoire.
• PROVID DEOR COS II: providence of the gods; consul for the second time.
• VOT DECEN TR P COS II: decennial vows; holder of tribunician power, consul for the second time.
• CONSECRATIO: consecration, on the separate posthumous series under Septimius Severus.

COS II records Pertinax's second consulship. Vows for a future anniversary do not imply that he ruled for ten years.

Typology and Documented Variants

The series should be distinguished by issuing authority, mint attribution, legend, and design:

• Lifetime Rome denarii, January-March 193 CE: the main families depict Aequitas, Laetitia, Liberalitas or Libertas, Ops, Providentia, and the sacrificing emperor. Scarcer reverse legends broaden the repertoire. Proposed workshop and emission arrangements are scholarly reconstructions, not explicit officina marks on the coins.
• Denarii attributed to Alexandria: a smaller stylistically distinct group, including Ops and Providentia designs. Attribution and dating require comparison with the specialist corpus; resemblance to provincial portraits alone is insufficient.
• Posthumous Rome denarii under Septimius Severus, about 193-194 CE: DIVVS PERT PIVS PATER with a bare head, paired with CONSECRATIO and an eagle standing on a globe, RIC IV Septimius Severus 24A (denarius). The documented silver issue names Severus as its issuing authority.

RIC IV Septimius Severus 24B, the funeral-pyre type, is catalogued as an aureus and is excluded from the denarius repertoire here. The gold and silver versions of 24A must likewise be distinguished. The posthumous coins commemorate Pertinax but were not struck during his lifetime reign.

Scholarly Debates and Attribution Limitations

Older reconstructions proposed an improvement in denarius fineness under Pertinax. Butcher and Ponting explicitly report no improvement in their discussion of the earlier analytical literature. Surface enrichment can compromise attempts to infer an entire coin's composition from surface measurements. The present article therefore assigns neither a precise silver percentage nor a new alloy standard to Pertinax.

Emission order, workshop organization, and the attribution of distinctive denarii to Alexandria depend on specialist studies. A division at mid-February and a fixed six-workshop organization should not be treated as established without checking the underlying die evidence.

The star accompanying Providentia supports a general association with divine care. Identification with a specific celestial event, savior, or horoscope requires additional evidence; it is not a demonstrated scholarly consensus.

References

1. Art Institute of Chicago Collection Online: Accession 1922.4880 (Artwork ID 5656). Object record 1922.4880
2. Cassius Dio, Roman History, Book 74. Chapters 1-10
3. Online Coins of the Roman Empire (OCRE): Pertinax. RIC IV Pertinax 1 to 14
4. The Metallurgy of Roman Silver Coinage: From the Reform of Nero to the Reform of Trajan. Kevin Butcher and Matthew Ponting (2015), introduction, printed p. 11 n. 35, citing Butcher and Ponting 2012; not p. 12.
5. The Coinage of Pertinax, The Numismatic Chronicle. Arthur M. Woodward, The Numismatic Chronicle, sixth series 17 (1957), pp. 84-96. Exact emission reconstructions not independently collated.
6. Recherches numismatiques sur l'empereur Pertinax: Corpus du monnayage imperial et provincial. Olivier Lempereur, Bordeaux: Ausonius Editions, Numismatica Antiqua 10 (2020). Publisher confirms bibliography; exact die counts and internal page citations not independently collated.
7. The Roman Imperial Coinage, Vol. IV, Part I: Pertinax to Geta. Harold Mattingly and Edward A. Sydenham (1936), RIC IV.1; Pertinax lifetime types and separately catalogued posthumous issues under Septimius Severus.
8. Münzkabinett Berlin: Divus Pertinax, RIC IV.1 24A (denarius). Object 18237753; silver denarius; Rome; about 193-194 CE; issuing authority Septimius Severus; eagle on globe.
9. Ashmolean Museum: Pertinax denarius, LIBERATIS CIVIBVS. HCR161954; RIC IV.1 5; silver; Liberalitas with tessera and cornucopia.