Macrinus

Macrinus was Roman emperor from AD 217 to 218, notable as the first ruler to attain imperial power from the equestrian order without having first entered the Senate. Born in Mauretania Caesariensis, he pursued a career in law and administration before rising to become praetorian prefect under Caracalla. Fearing for his own survival amid imperial paranoia, Macrinus orchestrated Caracalla's assassination during a campaign in Mesopotamia and was proclaimed Augustus by the legionaries. His short reign was troubled by an indecisive war and costly settlement with Parthia, compounded by severe fiscal strain. Discontent over military pay reductions enabled the Severan family to stage a rebellion that ended Macrinus's life and brief rule.

Full Ruler History

Monetary Context and Historical Setting

The silver denarius designated as RIC IV Macrinus 67b was struck in a period of intense military and fiscal volatility. Following the sudden murder of Caracalla near Carrhae in April AD 217, Marcus Opellius Macrinus, then serving as Praetorian Prefect, was elevated to the imperial purple by the eastern army. As the first member of the equestrian order to achieve the principate, Macrinus faced profound challenges to his legitimacy from both the Senate and the legions. The imperial treasury had been heavily burdened by the military pay increases granted under Septimius Severus and Caracalla, alongside ongoing conflicts against the Parthians. To balance the imperial budget and secure military allegiance, the new administration maintained production of the denarius while attempting subtle monetary adjustments. During Macrinus's reign, the silver fineness of the denarius was roughly 50 to 55 percent silver, continuing the alloy debasements of the Severan dynasty. By deploying the denarius as the primary medium for military pay and administrative donations, the regime used coin iconography as immediate political communication. The invocation of military fidelity on RIC IV Macrinus 67b was an urgent plea for institutional stability directed at armies accustomed to lavish imperial favor.

Mint Organization and Production Standards

RIC IV Macrinus 67b was produced at the imperial mint in Rome, even though Macrinus himself never visited the capital during his fourteen-month reign, remaining instead in Syria and Asia Minor. Despite the physical absence of the emperor, official imperial portrait models were dispatched to the capital mint, where multiple operational officinae prepared dies for standard denominations. The silver denarii of this issue adhere to the contemporary Severan metrological norms. The theoretical standard for the denarius under Macrinus was around 3.1 to 3.3 grams, with typical diameters ranging between 18 and 20 millimeters. Dies were hand-engraved, resulting in minor stylistic nuances in the engraving of the hair, armor details, and the drapery of Fides. Striking was performed using manual striking techniques between two engraved dies. Die axes predominantly follow standard imperial orientations of either 12 o'clock or 6 o'clock, reflecting the regulated practices of the central Roman mint.

Obverse Portraiture and Attributes

The obverse of RIC IV Macrinus 67b features a right-facing bust of Macrinus wearing a laurel wreath and dressed in military cuirass. The crucial stylistic diagnostic for the subtype 67b is the treatment of the beard: the imperial engravers depict Macrinus with a prominent, long beard. This long-bearded iconography contrasts distinctly with the earlier portraiture of Macrinus seen on subtype 67a, which features a cropped, shorter beard. The development toward a longer beard reflects the evolving portrait tradition during his reign. Initial portraits struck in early AD 217 heavily echoed the facial traits and closely cropped grooming of Caracalla, intended to project continuity. As authentic descriptions or updated models reached the Rome mint, engravers transitioned to an individualized depiction, showcasing an older, dignified statesman with an elongated, carefully curled beard. The cuirassed bust reinforces his identity as commander-in-chief, assuring the armed forces that their equestrian emperor was fully prepared to lead the empire.

Reverse Iconography of Fides Militum

The reverse of RIC IV Macrinus 67b presents a dynamic composition dedicated to Fides Militum, the divine personification of military loyalty. Fides is shown standing with her body facing the viewer while her head is turned to the right. In each hand, she firmly holds an upright military standard (signum), the revered tactical and religious focal point of Roman legionary identity. A distinctive iconographic feature of this design is the placement of her right foot upon an overturned helmet. In Roman numismatic allegory, resting a foot upon a helmet or a globe indicates mastery, subjection, or the triumph of peace over wartime disruption. By treading upon a helmet while grasping the legionary standards, Fides signifies that the armed forces have returned to obedient order under their legitimate commander. The composition conveys harmonious discipline, assuring citizens and soldiers that the unrest surrounding Caracalla's death had yielded to reliable military duty.

Epigraphy and Titulature

The obverse legend of RIC IV Macrinus 67b reads IMP C M OPEL SEV MACRINVS AVG. This inscription is an abbreviation for Imperator Caesar Marcus Opellius Severus Macrinus Augustus. The inclusion of the cognomen Severus was a calculated political decision: although Macrinus had no biological ties to the Severan line, he adopted the name Severus to cultivate dynastic legitimacy and reassure the armies loyal to the memory of Septimius Severus. The reverse inscription reads FIDES MILITVM, meaning 'The Loyalty of the Soldiers' in the nominative case. The lettering is rendered in neat, classical capital epigraphy typical of the central Rome mint. Inscriptions of this type served as overt ideological declarations, reminding legionaries of their sacred military oath (sacramentum) and broadcast across the provinces as a sign of unified imperial governance.

Typology and Chronological Classification

Within the standard cataloging framework of Roman Imperial Coinage (RIC), this denarius is indexed as RIC IV Part II Macrinus 67b. It forms part of an expansive emission celebrating military loyalty, paired across several reverse variations that include standing figures holding two, three, or four standards, with or without a foot on a helmet. Chronologically, type 67b is assigned to the later phase of Macrinus's coinage, dating from late AD 217 into the first half of AD 218. The earlier subtype, RIC 67a, features the short-bearded portrait struck immediately upon the arrival of news of his accession in Rome. By late AD 217, the Rome mint adopted the long-bearded dies that define RIC 67b. Production ceased abruptly in June AD 218 following the defeat of Macrinus at the Battle of Antioch and the subsequent accession of Elagabalus, at which point Macrinus's types were withdrawn and his memory condemned.

Circulation, Hoards, and Archaeological Context

Denarii of Macrinus, including RIC IV Macrinus 67b, entered widespread circulation through military stipends, frontier troop disbursements, and administrative salaries. Because Macrinus ruled for only fourteen months, his total numismatic output was modest compared to the vast emissions of Septimius Severus or Caracalla. Nevertheless, his denarii circulated widely throughout the European and Eastern provinces. In archaeological contexts, RIC 67b and related issues routinely appear in third-century hoards across Britannia, the Rhine and Danube frontiers, and the Levant. Because the silver content of Macrinus's denarii was aligned with the standard Severan fineness, these coins circulated side by side with older Severan denarii for decades. They continued to be spent until the massive hyper-debasements of the mid-third century under Valerian and Gallienus caused older, better-silver denarii to be hoarded and melted down.

Catalog Data

Ruler
Denomination
Denarius
Material
Silver
Series date range

Authority and vocabulary links: Wikidata and Nomisma.org.

References

  1. The Portraiture of the Emperor Macrinus. pp. 67-75
  2. The Coinage of Macrinus and Diadumenian. pp. 14-22
  3. Coinage in the Roman Economy, 300 B.C. to A.D. 700. pp. 125-132
  4. Online Coins of the Roman Empire: RIC IV Macrinus 67b. ric.4.mcs.67b
  5. The Roman Imperial Coinage, Vol. IV, Part II: Macrinus to Pupienus. p. 11