Historical Context

Phraates II, known dynastically as Frahāt, inherited the Arsacid realm during an existential turning point in ancient Near Eastern history. In traditional numismatic frameworks established by Warwick Wroth and David Sellwood, his reign was placed between circa 138 and 127 BC following the presumed death of his father, Mithradates I. However, cuneiform epigraphic records from Babylonia, notably the Astronomical Diaries and dated legal archives such as tablet BRM II 53 from Uruk dated to the fifth month of Seleucid Era year 180 (July or August 132 BC), demonstrate that Mithradates I survived in an incapacitated state until 132 BC. Under this revised chronology, Phraates II assumed active governance circa 132 BC, initially ruling under the regency of his mother, Queen Rinnu, until his death circa 126 BC.

The brief reign was defined by two catastrophic military crises across opposing frontiers. In the west, the Seleucid monarch Antiochus VII Sidetes launched a major campaign between 130 and 129 BC, capturing Babylonia and pushing deep into Media. Phraates II conducted an evasive counter-offensive, exploiting local Iranian resentment against winter-billeted Seleucid garrisons. In the spring of 129 BC, the Parthian army ambushed and defeated the Seleucid forces in Media; Antiochus VII died on the field, permanently extinguishing Seleucid imperial power east of the Euphrates River.

Simultaneously, nomadic confederacies comprising the Saka and allied tribes breached the northeastern borders, devastating Parthyene, Hyrcania, and Margiana. These invaders had originally been hired as auxiliaries against Antiochus VII but arrived after the campaign had concluded and demanded unpaid subsidies. Phraates II marched east to confront them, incorporating captured Seleucid Greek infantry into his army. During a pitched engagement circa 127 or 126 BC, the mistreated Greek troops defected en masse to the nomads, precipitating an Arsacid collapse and the death of Phraates II in combat. The silver drachm issues produced throughout his rule served directly as imperial and garrison coinage to support these intensive, multi-front military expenditures.

Obverse Iconographic Composition

The obverse composition presents an imperial left-facing portrait bust of Phraates II framed within a continuous, tightly engraved border of pellets. In contrast to the mature, heavily bearded portraiture characteristic of late issues of Mithradates I, Phraates II is depicted as an adolescent or young adult with a short, neatly trimmed curly beard and tiered rows of stylized hair.

The monarch wears the Hellenistic royal diadem (taenia), tied at the back of the head with two flat ribbons that drape downward across the nape and neck. Encircling the throat is a prominent Iranian torc terminating in a spherical knob or coiled ring, a traditional emblem of Parthian noble status and royal charisma (khwarenah). The field behind the royal head served as the principal diagnostic zone for workshop identification; it was either left open on central emissions or engraved with Greek alphabetical signatures, regional abbreviations, or administrative control symbols.

Obverse Epigraphy and Inscriptions

On standard central imperial strikings, the obverse field contains no inscription. On regional and garrison emissions struck to finance troop movements against the invading Saka, Greek letters or abbreviations were engraved behind the royal portrait to identify the specific workshop or administrative district:

  • Plain and anepigraphic: Central Media workshops, traditionally assigned to Ecbatana.
  • Letters ΤΑΜ: Tambrax in Hyrcania, the most abundant regional signature.
  • Letters ΝΙ, ΝΙCΑ, ΝΙΚΑ, ΝΙCΑΙΑ, or retrograde ΙΝ: Nisa (Mithradatkirt) in Parthyene.
  • Letters ΜΑ or ΜΑΡ: Margiane, centered at the Merv oasis.
  • Letters ΑΡΕΙΑ: Alexandria Areion, modern Herat.
  • Letters ΑΠΑ: Apamea in Rhagiana.
  • Letters ΕΠΑΡ: Epardus.
  • Control monograms and symbols: Varied ligatures representing Media and Rhagae districts, as well as a vertical palm branch symbol.

All obverse inscriptions utilize standard Greek lapidary script executed in minute lettering directly onto the steel die face behind the monarch's diadem ribbons.

Reverse Iconographic Composition

The reverse type displays Arsaces I, the nomadic founder of the Arsacid dynasty, seated facing right upon a bossed omphalos. This central seat was adapted directly from the Seleucid imperial reverse showing Apollo seated on the Delphic navel stone, reinterpreted by the Arsacids as a throne of ancestral dynastic legitimacy.

The archer is depicted in traditional northern Iranian nomadic equestrian dress. He wears a sleeved tunic, fitted trousers suitable for riding, and an overcoat or riding cloak (khandys) fastened across the chest. Upon his head rests the soft felt bashlyk, with fabric earflaps tied beneath the chin. In his outstretched right hand, he grasps a strung composite recurve bow by the grip, pointing the weapon forward, while his left arm rests along his side or thigh. The reverse field is struck without an outer border of pellets, allowing the monumental Greek lettering to define the rectangular visual boundaries around the central seated figure.

Reverse Epigraphy and Inscriptions

The epigraphy of the reverse flan is arranged in formal rectilinear blocks framing the seated archer and exists in two distinct historical iterations:

1. Standard Four-Line "Theopator" Formula

The primary drachm series, catalogued as Sellwood Type 16, introduces the divine ancestry title into the imperial formula:

  • Original Greek Lettering: ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ ΘΕΟΠΑΤΟΡΟΣ
  • Transliteration: Basileōs Megalou Arsakou Theopatoros
  • English Translation: "Of Great King Arsaces, [Son] of a Deified Father"
  • Placement: Inscribed downward at the right (ΒΑΣΙΛΕΩΣ), horizontally across the top (ΜΕΓΑΛΟΥ), downward at the left (ΑΡΣΑΚΟΥ), and horizontally in the exergue beneath the omphalos (ΘΕΟΠΑΤΟΡΟΣ).
  • Die Guidelines: Certain dies, particularly those linked to regional workshops such as Tambrax, feature faint horizontal and vertical engraved guide lines intended to keep the letter punches aligned.

2. Early Three-Line Accession Formula

Produced during the brief transitional phase at the beginning of the reign before the adoption of the epithet Theopatoros, catalogued as Sellwood Type 15:

  • Original Greek Lettering: ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ
  • Transliteration: Basileōs Megalou Arsakou
  • English Translation: "Of Great King Arsaces"
  • Placement: Arranged in three lines around the archer (downward right, horizontally across the top, and downward left), with the exergue left completely empty.

Typology and Documented Variants

The silver drachms of Phraates II conform to the Attic weight standard, with verified specimens typically displaying weights between 3.60 and 4.20 grams, flan diameters of 18 to 21 millimeters, and an upright 12:00 die axis. The series is divided into two primary typological classes:

Class I: Early Accession Drachms (Sellwood Type 15)

Class I drachms exhibit the youthful portrait of Phraates II paired with the ancestral three-line legend lacking Theopatoros. These pieces carry no obverse mint marks and represent the immediate administrative transition following the death of Mithradates I.

Class II: Imperial "Theopator" Drachms (Sellwood Type 16)

Class II comprises the extensive war issues featuring the four-line legend. Documented varieties are differentiated primarily by obverse mint marks and reverse die preparation:

  • Ecbatana / Media: Subtypes 16.1 and 16.2 present unmarked obverse fields, the latter distinguished by rigid engraved guidelines beneath the reverse legend. Subtypes 16.3 through 16.5 incorporate local monogram ligatures.
  • Tambrax: Subtype 16.11, marked ΤΑΜ behind the head, constitutes the largest single surviving drachm emission of the reign, struck to fund army movements through Hyrcania.
  • Nisa: Subtypes 16.6, 16.8, 16.9, and 16.10, exhibiting marks including ΝΙ, ΝΙCΑ, ΝΙCΑΙΑ, and retrograde retrograde variants, struck near the ancestral Parthian capital.
  • Margiane: Subtype 16.7, marked ΜΑ or ΜΑΡ, struck at the Merv oasis adjacent to the nomad frontier.
  • Areia, Apamea, and Epardus: Subtypes 16.12, 16.13, and 16.14, marked respectively with ΑΠΑ, ΕΠΑΡ, and ΑΡΕΙΑ.
  • Symbol Series: Subtype 16.21 features a vertical palm branch engraved behind the portrait.

Attic-weight silver tetradrachms bearing the victory title Nikephorou belong exclusively to Sellwood Type 17, minted at Seleucia on the Tigris following the defeat of Antiochus VII, and form no part of the drachm series. Claims asserting the existence of a drachm variety bearing the title Philopatoros are erroneous; that epithet did not appear on Arsacid silver until the first century BC.

Scholarly Debates and Attribution Limitations

Numismatic literature reflects ongoing scholarly debate regarding several facets of Phraates II's coinage:

  1. Chronological Models: Commercial and institutional sylloges frequently maintain David Sellwood's traditional dating of 138 to 127 BC. However, cuneiform documentation demonstrating that Mithradates I lived until 132 BC has led historical researchers, notably G. R. F. Assar, to adjust Phraates II's reign to circa 132 to 126 BC. Numismatists must remain cognizant of both frameworks when cross-referencing literature.

  2. Dynastic Numbering Schemes: The immediate successor of Phraates II is designated in Sellwood's catalogue as Artabanus I (Types 19–22). Revised chronological reconstructions that reassign Artabanus I to the earlier ruler Arsaces II renumber Phraates II's successor as Artabanus II. To prevent ambiguity, scholars rely on explicit Sellwood type designations rather than monarchal numerals.

  3. Interpretation of Theopator: Early twentieth-century numismatists such as Warwick Wroth interpreted the title Theopatoros as a direct adoption of Seleucid ruler-cult ideology asserting the posthumous deification of Mithradates I. More recent historical scholarship, including studies by Marek Jan Olbrycht, views the title as an Iranian concept of inherited divine grace (khwarenah) conveyed through Greek administrative vocabulary to legitimate young Phraates' succession amidst internal and external crisis.

  4. Mint Attribution of Unmarked Dies: Attributing unmarked obverse dies (Sellwood 16.1 and 16.2) to the mint of Ecbatana remains an inferential convention based on hoard frequency, stylistic continuity, and Media's central administrative status. In the absence of an explicit toponym, the assignment represents an established working attribution rather than definitive epigraphic certainty.

References

  1. A Revised Parthian Chronology of the Period 165–91 BC. Assar, G. R. F. (2006), Electrum, Vol. 11, pp. 87–158
  2. British Museum Collection Online: Silver Drachm of Phraates II. Registration no. 1848,0803.8
  3. CNG Auction 36 Catalogue. Classical Numismatic Group (1995), Lot 40 (Shore Collection, Phraates II AR Drachm)
  4. Parthian Coins from Margiana. Loginov, S., & Nikitin, A. (1996), The Numismatic Chronicle, Vol. 156, pp. 39–51
  5. Nomos Auction 30 Catalogue. Nomos AG (2023), Lot 1384 (Phraates II AR Drachm, Ekbatana)
  6. Early Arsakid Parthia (ca. 247–138 BC): The Foundation of the Empire. Olbrycht, M. J. (2021), Leiden: Brill, pp. 240–265
  7. Sellwood Types and Subtypes Database. Parthia.com (derived from Sellwood, D., An Introduction to the Coinage of Parthia, 1980)
  8. Catalogue of the Coins of Parthia. Wroth, W. (1903), British Museum Catalogue of Greek Coins, p. 16