Historical Context

Vologases I (Parthian: Walagaš) acceded to the Arsacid throne in approximately 51 CE following the brief reign of his father, Vonones II. Born to a Greek concubine, Vologases assumed the diadem with the mutual consent of his brothers, initiating a coordinated reorganization of the Arsacid dynasty's regional power. To consolidate the empire's borders, he appointed his brother Pacorus as ruler of Media Atropatene and established his brother Tiridates I on the throne of Armenia.

The installation of an Arsacid prince in Armenia ignited more than a decade of diplomatic confrontation and direct military engagement with Rome under Emperor Nero. Following extensive campaigning conducted by the Roman general Gnaeus Domitius Corbulo and reciprocal Parthian counter-offensives, the conflict was concluded by the Treaty of Rhandeia in 63 CE. Under this settlement, an Arsacid ruler retained the Armenian throne as a Roman client, a compromise formalized when Tiridates travelled to Rome in 66 CE to receive his royal diadem directly from Nero.

Domestically, the reign of Vologases I witnessed serious internal disruption. Between approximately 55 and 58 CE, his son Vardanes II staged an open rebellion, seizing control of the imperial capital at Seleucia on the Tigris and issuing dated silver tetradrachms under his own authority. Simultaneously, an extensive tribal uprising flared along the southeastern Caspian littoral in Hyrcania. In response to recurring friction with the Hellenized mercantile aristocracy of Seleucia, Vologases founded the new royal foundation of Vologesocerta (Valashabad) in close proximity to the old metropolis.

Culturally, the reign represented a watershed in the conscious reassertion of indigenous Iranian traditions over lingering Seleucid Hellenism. Later Zoroastrian tradition preserved in the ninth-century Pahlavi text Denkard credits a King Walaxš with directing the imperial collection and preservation of oral and written Avestan traditions scattered since the campaigns of Alexander the Great. This deliberate ideological reorientation found immediate expression on the imperial silver drachm coinage produced across the Iranian plateau.

Obverse Iconographic Composition

The obverse of the regular silver drachm series features a bare-headed, left-facing bust of Vologases I, framed within a delicate pelleted border. In contrast to the ornate helmeted portraits favoured by certain predecessor dynasts, the king is portrayed with naturalistic hair and traditional Iranian regalia.

The king's facial features are distinguished by a mature profile and a medium-length, square-cut to neatly tapering beard. The royal coiffure is arranged into five distinct, horizontally undulating waves that fall in stepped succession over the back of the head and the nape of the neck. An essential hereditary marker appears on the royal forehead or temple in the form of an engraved raised pellet or wart (verruca), an iconographic physical attribute shared across several mid-first-century Arsacid rulers, including Gotarzes II and Vardanes II, to signal direct dynastic legitimacy.

The bust is adorned with a double-banded royal diadem tied at the back with a raised loop and two or three pendent diadem ribbons terminating in pearls or dots. Additional jewellery includes a circular hoop earring and a twisted or pelleted torque worn around the neck.

Obverse Epigraphy and Inscriptions

A primary typological division in the drachm series of Vologases I rests on the presence or absence of an obverse epigraphic legend situated in the right field behind the royal portrait.

Issues catalogued as Sellwood Type 70 remain entirely anepigraphic on the obverse, maintaining the long-standing Arsacid practice of reserving all text for the reverse die. In contrast, issues designated as Sellwood Type 71 bear a concise vertical or oblique inscription situated behind the king's neck:

  • Script: Inscriptional Parthian alphabet (derived from Imperial Aramaic lapidary models).
  • Language: Parthian (Middle Iranian).
  • Transliteration: wl.
  • Lettering: Rendered typographically as Inscriptional Parthian waw and lamedh (𐭅𐭋), read right to left.
  • Translation: "Vologases", representing a phonographic alphabetic abbreviation of the vernacular royal name Walagaš (or Walaxš).

This two-letter legend represents a fundamental landmark in Arsacid monetary history. While earliest Arsacids occasionally employed brief Aramaic titles, Vologases I was the first monarch of the dynasty to place his vernacular personal Iranian name on imperial coinage. Furthermore, numismatic and linguistic analyses confirm that wl is an alphabetic abbreviation rather than an administrative Aramaic heterogram (such as MLK' for "king"), reflecting an active vernacular epigraphic choice.

Reverse Iconographic Composition

The reverse design adheres strictly to the canonical archer motif established under early Arsacid rule, preserving the dynasty's ancestral nomadic heritage.

The central field depicts the dynastic founder, Arsaces I, seated facing right upon a high-backed stool or omphalos-derived throne. The founder is attired in full Parni nomadic riding costume, comprising a soft felt bashlyk (hood) with fastened chin straps, a belted long-sleeved tunic, fitted trousers, and a riding cloak. In his extended right hand, Arsaces holds a strung composite recurved bow pointed outward toward the right field.

Directly beneath the archer's bow appears the regional monogram attributed to the highland imperial mint of Ecbatana (modern Hamadan, Iran; catalogued as Sellwood Monogram 26 or BMC Monogram 73). The central figure and monogram are framed on all four sides by a compartmentalized, four-sided Greek inscription arranged in seven distinct lines.

Reverse Epigraphy and Inscriptions

The reverse legend preserves the traditional Arsacid royal titulature derived from Hellenistic formulas, executed in a four-sided square arrangement around the central seated archer.

  • Script: Greek alphabet (fossilized into stylized square and rectilinear forms).
  • Language: Ancient Greek.
  • Idealized Text (7 lines):
    • Top (2 lines): ΒΑΣΙΛΕΩΣ / ΒΑΣΙΛΕΩΝ
    • Right (2 lines): ΑΡΣΑΚΟΥ / ΕΥΕΡΓΕΤΟΥ
    • Bottom (1 line): ΔΙΚΑΙΟΥ
    • Left (2 lines, read from outer edge): ΕΠΙΦΑΝΟΥΣ / ΦΙΛΕΛΛΗΝΟΣ
  • Transliteration: Basileōs Basileōn Arsakou Euergetou Dikaiou Epiphanous Philellēnos.
  • Translation: "Of the King of Kings, Arsaces, the Benefactor, the Just, the Manifest [God Manifest], the Friend of the Greeks".

By the mid-first century CE, highland die engravers at Ecbatana no longer treated this Greek formula as an active living language. The letters are heavily corrupted, fossilized, and reduced to decorative geometric bars, squarish letterforms, and simplified vertical strokes. Certain letters are routinely degraded or omitted outright; on specific die varieties, the Greek letter lambda (Λ) in the top two lines is entirely missing or substituted with a vertical bar.

Typology and Documented Variants

The silver drachm coinage of Vologases I struck at the Ecbatana mint is organized into two primary typological groups, classified primarily by the presence or absence of the vernacular obverse legend.

1. Anepigraphic Obverse Series (Sellwood Type 70)

This series features the diademed bust left with five hair waves, temple wart, and an entirely plain field behind the head. The reverse presents the canonical seated archer, Ecbatana monogram, and seven-line corrupted Greek legend.

  • Sellwood 70.13: Standard typological variety exhibiting the complete, albeit stylized, seven-line Greek inscription without major missing characters.
  • Sellwood 70.14: Legend variant defined by the omission or corruption of the Greek letter lambda (Λ) in the uppermost registers of the reverse inscription.
  • Sellwood 70.15: Portrait variety distinguished by a noticeably shorter, closely trimmed beard.

2. Inscribed Obverse Series (Sellwood Type 71)

This group shares the identical obverse portraiture and reverse compositional elements but incorporates the vernacular Parthian legend wl behind the king's neck.

  • Sellwood 71.1: Clean obverse field apart from the two Inscriptional Parthian characters wl positioned vertically or obliquely behind the head.
  • Sellwood 71.2: Obverse field variant exhibiting a secondary administrative control symbol or monogram engraved behind the bust in conjunction with the letters wl.
  • Sellwood 71.3: Die variant where a secondary obverse control mark has been intentionally removed or altered directly on the die face.

Documented comparative specimens from these series, such as those preserved in institutional collections (e.g., British Museum registration 1917,0204.126; Smithsonian NNC 1979.1216.0186), generally weigh between 3.40 and 3.85 g, with flan diameters spanning 19 to 22 mm and die axes aligned predominantly near 12 o'clock on a modified Attic standard.

Scholarly Debates and Attribution Limitations

The "Two Reigns" Chronological Debate

In traditional numismatic corpuses, the reign of Vologases I was frequently divided into a "First Reign" (c. 51–55 CE) and a "Second Reign" (c. 58–78 CE). This framework was inferred from the dated silver tetradrachms struck at the Mesopotamian mint of Seleucia on the Tigris, where Vologases' issues cease in Seleucid Era 366 (54/55 CE) to make way for the rebel coinage of Vardanes II, before resuming in Seleucid Era 369/370.

Modern scholarship, notably Fabrizio Sinisi in the Sylloge Nummorum Parthicorum, cautions against projecting the political disruptions of Seleucia onto regional drachm production in the Iranian highlands. Because the rebellion of Vardanes II was centered primarily in Babylonia, Vologases I likely retained uninterrupted control over Media and the Ecbatana mint. Consequently, highland drachm issues cannot be neatly bifurcated into two separate chronological eras without independent stratigraphic or hoard confirmation.

Cultural Revival versus Fiscal Distinctions

Scholars remain divided over the underlying motivation for introducing the vernacular legend wl on Sellwood Type 71:

  1. The Ideological Interpretation: Proponents of an intentional Arsacid cultural revival interpret the introduction of native Inscriptional Parthian script as part of a deliberate program to elevate Iranian cultural identity over Hellenistic conventions, aligning with Vologases' recorded patronage of Avestan compilation and the foundation of Vologesocerta.
  2. The Administrative Interpretation: Other researchers argue that the adoption of the personal abbreviation was driven by urgent practical and fiscal necessities during the civil war against Vardanes II. Because all Arsacid monarchs employed the identical throne name Arsaces on the reverse of their coins, both contenders issued drachms bearing indistinguishable reverse texts. Placing the king's personal name Walagaš (wl) directly behind the portrait allowed regional treasuries, paying officers, and military units to immediately confirm royal authority and coin validity.

Attribution Limitations for Uninspected Gallery Specimens

Attributing individual, uninspected specimens of this series requires specific curatorial caution:

  • Flan Placement and Strike: The letters wl are positioned near the extreme outer margin behind the portrait. Off-center strikes, flan clipping, and perimeter wear frequently displace this region entirely. A specimen lacking visible letters cannot be conclusively categorized as Sellwood Type 70 without evaluating the die margin to confirm that an original wl was not simply struck off-flan.
  • Corrupted Reverse Dies: Due to the severe fossilization of the Greek text, identifying minor legend varieties (such as distinguishing Sellwood 70.13 from 70.14) requires microscopic clarity of the physical die.
  • Independence of Uninspected Material: No mint attribution, exact date, subtype, or metrological measurements can be assigned to an uninspected TerraNumis specimen purely on the basis of comparative institutional data.

References

  1. Tacitus: Annales, Book XII. Annales 12.44
  2. Parthia.com: Vologases I Database and Coin Catalogue. Specimen PDC 16798; Sellwood Types 70 and 71
  3. Classical Numismatic Group Electronic Auction 90, Lot 52. acsearch.info record 173426, Sellwood 70.13
  4. British Museum Collection Database: Registration 1917,0204.126. Museum number 1917,0204.126 (AR Drachm, Vologases I)
  5. Warwick Wroth: Catalogue of the Coins of Parthia (BMC Parthia). pp. 178–187, pls. XXVIII–XXIX
  6. Vesta Sarkhosh Curtis: The Iranian Revival in the Parthian Period. Further reading: in The Age of the Parthians (2007), pp. 7–25
  7. Marek Jan Olbrycht: Vologases I, Pakoros II and Artabanos III: Coins and Parthian History. Further reading: Iranica Antiqua 51 (2016), pp. 209–234
  8. David Sellwood: An Introduction to the Coinage of Parthia (2nd ed.). Further reading: Types 70–71, pp. 226–232
  9. Fabrizio Sinisi: Sylloge Nummorum Parthicorum (SNP), Vol. 7: Vologases I – Pacorus II. Further reading: Verlag der ÖAW (2012), pp. 25–41, 161