Vespasian: Silver denarius Coinage

Coinage Scope and Selected Issues

The Silver denarius coinage issued in the name of Vespasian includes issues distinguished by their portraits, inscriptions, reverse designs and mint attribution. This study concentrates on the winged-caduceus issues of 74 CE, 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

Following the collapse of the Julio-Claudian dynasty and the civil wars of 68-69 CE, known as the Year of the Four Emperors, Titus Flavius Vespasianus was proclaimed emperor by legions in Alexandria and Judaea in July 69 CE. By late December 69 CE, Flavian forces secured Rome, and the Senate formally ratified his imperial powers. Vespasian's decade-long reign (69-79 CE) centered on restoring political order, fiscal solvency, and dynastic stability alongside his sons Titus and Domitian.

In 74 CE, Vespasian entered his fifth consulship (COS V) as ordinary consul with Titus, who assumed his third consulship (COS III). Both rulers had conducted an empire-wide census (censores) beginning in 73 CE, reviewing senatorial rosters, municipal records, and imperial revenue streams. Metropolitan coinage struck in Rome during 74 CE reflected this consolidation, broadcasting themes of administrative stability, public order, and commercial recovery.

The metropolitan silver denarius was struck within the metallurgical parameters established by Nero's reform of 64 CE. Modern chemical and spectroscopic investigations demonstrate that the Rome mint maintained a consistent silver standard of approximately 80 to 82 percent fineness, striking coins at a theoretical rate of 96 to the Roman pound, with circulating weights typically falling between 3.10 and 3.30 grams. Vespasian preserved this post-Neronian weight and fineness with rigorous institutional uniformity.

Selected Issues: Obverse Iconographic Composition

The obverse displays an unadorned, mature head of Vespasian facing right, crowned with a laurel wreath whose ties hang behind his neck.

Flavian portraiture broke decisively with the polished, aristocratic classicism characteristic of the Julio-Claudian emperors. Drawing on the veristic tradition of late Republican portrait busts, the Rome die engravers rendered the sixty-four-year-old emperor with documentary frankness. The composition emphasizes deeply lined features, including pronounced forehead furrows, heavy nasolabial folds, a broad jaw with sagging jowls, compressed lips, and a receding hairline. This visual idiom deliberately communicated traditional Roman civic values: moral weight (gravitas), unyielding discipline (severitas), and seasoned military experience.

Selected Issues: Obverse Epigraphy and Inscriptions

The obverse legend is executed in standard Roman capital script, set in a clockwise arc along the flan perimeter from the lower left to the lower right.

• Inscription: IMP CAESAR VESPASIANVS AVG
• Transliteration: Imperator Caesar Vespasianus Augustus
• Translation: "Emperor [Supreme Military Commander] Caesar Vespasian Augustus"

The legend emphasizes Vespasian's military acclamation through the praenomen of imperator, paired with the dynastic title Caesar and the revered epithet Augustus, establishing his supreme constitutional standing.

Selected Issues: Reverse Iconographic Composition

The reverse features an upright, symmetrical winged caduceus (caduceus alatus, or Greek kerykeion) centered vertically in the field. The central staff is entwined near the summit by two serpents whose heads meet facing inward to form a closed loop. A pair of horizontal wings projects laterally from the upper shaft beneath the serpents.

In Roman iconographic tradition, the caduceus served a dual theological and political purpose. As the primary attribute of Mercury (Mercurius), protector of commerce and trade, the motif evoked prosperous merchant shipping, thriving markets, and financial renewal following years of destructive civil war. Simultaneously, the staff functioned as an official diplomatic instrument. As Pliny the Elder observed in his Naturalis Historia, the caduceus served as a recognised token of peaceful negotiation and reconciliation (caduceum in pacis argumentis). On the imperial coinage of 74 CE, the symbol encapsulated both the pacification of the Roman world and the commercial revival made possible by Flavian rule.

Selected Issues: Reverse Epigraphy and Inscriptions

The reverse legend is executed in Latin majuscule and encircles the central motif in a clockwise direction, flanking the staff across the flan fields.

• Inscription: PON MAX TR P COS V
• Transliteration: Pontifex Maximus, Tribunicia Potestate, Consul Quintum
• Translation: "Chief Pontiff, endowed with tribunician power, consul for the fifth time"

The sequence is arranged symmetrically: PON MAX ascends along the left margin (from approximately 7 o'clock to 11 o'clock), while TR P COS V descends along the right margin (from approximately 1 o'clock to 5 o'clock). This formula records Vespasian's highest religious authority as head of the college of pontiffs alongside his annual civil magistracies, providing the exact consular benchmark for dating the strike to 74 CE.

Typology and Documented Variants

The caduceus denarii of 74 CE belong to a coordinated metropolitan precious-metal emission. Two principal varieties of the caduceus denarius are documented, along with a closely related parallel issue:

• Standard Caduceus Type (RIC II.1 [2nd ed.] 703; BMCRE 138; Cohen 362): Features the unabbreviated obverse legend IMP CAESAR VESPASIANVS AVG with laureate head right, paired with the upright winged caduceus and reverse legend PON MAX TR P COS V.
• Shortened Legend Variety (RIC II.1 [2nd ed.] 684; BMCRE 137): Employs a contracted obverse title reading IMP CAESAR VESP AVG, preserving the same reverse type and legend.
• Parallel Seated Emperor Type (RIC II.1 [2nd ed.] 702; BMCRE 136): Shares the exact reverse inscription PON MAX TR P COS V and obverse dies, but depicts Vespasian seated right holding a sceptre and branch.

Earlier numismatic compilations occasionally misattributed a draped or cuirassed bust variety to RIC 704. In the revised Roman Imperial Coinage corpus, RIC 704 designates an imperial gold aureus, and no authentic denarii with cuirassed or draped busts exist within the caduceus series.

Scholarly Debates and Attribution Limitations

Numismatic research surrounding the 74 CE denarii focuses on several unresolved organizational and iconographic questions:

1. Officina Organization and Die Linkage: Harold Mattingly proposed in BMCRE II that the Rome mint operated on a rigid six-officina system, with each workshop assigned a dedicated concurrent reverse design. Subsequent die studies by Ian Carradice and Theodore V. Buttrey disproved this mechanical division. Demonstrated obverse die links between distinct reverse types, including links between the caduceus type (RIC 703) and the seated emperor type (RIC 702), show that obverse dies circulated dynamically across multiple striking stations.

2. Omission of Censorial Titulature: Although Vespasian and Titus actively exercised the censorship in 73-74 CE and frequently included CENS on aes issues and selected denarii, the caduceus denarii omit the title entirely. Scholars continue to debate whether this omission reflects flan space economy or denotes a distinct chronological sub-phase within 74 CE after censorial activities concluded.

3. Chronological Striking Sequence: The internal chronological order between the standard legend issue (RIC 703) and the abbreviated variety (RIC 684) remains unconfirmed. While shortening of legends often occurred later within an emission cycle to accelerate engraving, comprehensive multi-hoard die seriation is required to establish definitive precedence.

References

1. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Vespasian 703. ric.2_1(2).ves.703
2. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Vespasian 684. ric.2_1(2).ves.684
3. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Vespasian 702. ric.2_1(2).ves.702
4. Online Coins of the Roman Empire: RIC II, Part 1 (second edition) Vespasian 704. ric.2_1(2).ves.704
5. The Roman Imperial Coinage, Vol. II, Part 1: From AD 69 to 96 – Vespasian to Domitian (Second Fully Revised Edition). pp. 113-115, nos. 684, 702, 703
6. Coins of the Roman Empire in the British Museum, Vol. II: Vespasian to Domitian. p. lx (note 4), p. 25, nos. 136-138
7. Description historique des monnaies frappées sous l'Empire Romain, Tome I (Second Edition). p. 396, no. 362
8. 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.
9. Pliny the Elder, Naturalis Historia, Book XXIX. 29.54 (caduceum in pacis argumentis)
10. The Art Institute of Chicago: Denarius (Coin) Portraying Emperor Vespasian (Accession 1923.1272). Artwork 10009, 1923.1272