Ziyad b. Abi Sufyan Silver Drahm

Monetary Context and Early Umayyad Rule

When the early Muslim state expanded into the territories of the former Sasanian Empire during the mid-seventh century, it inherited a highly developed silver-based monetary economy centered on the Sasanian drahm. Unlike the eastern Mediterranean provinces where Byzantine copper and gold currencies circulated, Iraq and Iran functioned predominantly on high-purity silver. The early Umayyad administration chose not to overturn this longstanding system immediately. Disruption of local mint production risked commercial stagnation, tax assessment failure, and resistance from local populations accustomed to familiar iconography. Under Caliph Mu'awiya I, administrative authority over the eastern provinces was delegated to powerful governors, most notably Ziyad b. Abi Sufyan. Ziyad was appointed governor of Basra in 665 AD (AH 45) and later received the governorship of Kufa and the entire eastern provinces in 670 AD (AH 50), creating a unified administrative sphere. To finance provincial administration, pay army stipends, and satisfy regional fiscal obligations, provincial mints continued striking silver drahms according to the established late Sasanian metrological system. These coins served as high-value currency for large-scale economic transactions, public treasuries, and regional trade networks.

Production Standards and Mint Network

The production of silver drahms under Ziyad b. Abi Sufyan was organized across a network of active mint cities situated in southern and western Iran as well as lower Iraq. Mint signatures engraved in Pahlavi letters on the reverse indicate substantial output from primary centers such as Bishapur (BYSh), Darabjird (DA or DAP), Istakhr (ST), Ardashir-Khurrah (ART), Hamadhan (AHM), Yazd (YZ), and the garrison city of Basra (BSR or BJRA). Dies were cut by local craftsmen who preserved the technical practices, engraving conventions, and visual styling of late Sasanian mint operations. The silver drahms were produced on thin, broad planchets characteristic of the late Sasanian series. Metallurgical analyses of early Arab-Sasanian silver show high bullion quality, preserving traditional standards of refined silver. The target weight standard aligned with late Sasanian imperial norms, maintaining the full silver drachm standard of the period, though surviving pieces demonstrate operational variance due to wear, edge trimming, and mint-specific tolerances.

Obverse Iconography and Composition

The obverse design of Ziyad's drahm faithfully reproduces the conventional portraiture developed under the Sasanian monarch Khusro II (590 to 628 AD). The central field displays a right-facing bust of a king wearing ornate royal vestments, large pearl earrings, and an elaborate crown. The crown features stepped merlons surmounted by a pair of spreading wings, enclosing a central crescent and star emblem. A diadem rests behind the head, its ties fluttering behind the neck. This image was recognized throughout the region as a hallmark of reliable silver bullion. Surrounding the portrait is a double dotted circular border punctuated in the external margins by astral symbols consisting of a crescent enclosing an eight-pointed star positioned at the three, six, and nine o'clock locations. Rather than representing an individual portrait of Ziyad himself, the royal iconography was deliberately preserved from the late Sasanian royal repertoire to ensure immediate acceptance across markets, while modifying key inscriptions to convey new political authority.

Reverse Iconography and Design Details

On the reverse, the coin features the traditional Zoroastrian fire altar, the central visual emblem of pre-Islamic Iranian sovereignty and state religion. The altar consists of an elevated stepped base and a fluted central shaft supporting a blazing fire cauldron, draped with diadem ties hanging at the sides. Flanking the altar stand two ritual attendants facing forward, each resting both hands upon a staff or sword held vertically to the ground. The celestial elements of a star and a crescent appear within the field flanking the altar flames, standardizing a configuration typical of seventh-century Persian coinage. The entire reverse composition is framed within a triple dotted circle, which is punctuated in the outer margins by four star-and-crescent motifs at the cardinal points: twelve, three, six, and nine o'clock. This layered circular layout functioned both as a stylistic hallmark and as a physical deterrent against unlawful clipping of the coin's perimeter.

Epigraphy and Bilingual Legends

The epigraphic program of Ziyad b. Abi Sufyan's coinage reflects a calculated bilingual and transitional administrative strategy. In the obverse field to the left of the bust, the traditional Pahlavi formula GDH 'pzwt ('May his glory increase') remains intact. In front of the portrait, where the name of the Sasanian king formerly appeared, the legend explicitly names the governor in Middle Persian script as 'zyyt' Y 'bwspy'n' (Ziyad-i Abi Sufyan). In the obverse margin, outside the inner concentric circle, an Arabic inscription was introduced in early Kufic lettering. This legend most frequently reads 'bism Allah' ('In the name of God') or an expanded pious formula 'bism Allah rabbi' ('In the name of God, my Lord'), situated in the second and third quadrants. On the reverse, inscriptions are rendered entirely in Pahlavi: the regnal or era year is written in words to the left of the fire altar, while the abbreviated mint signature is placed in the right field.

Typology and Chronological Evolution

The chronological sequence of Ziyad's coinage corresponds directly to his tenure and expanding territorial remit. Between 665 AD and 670 AD (AH 45 to 50), prior to his assumption of the unified governorship over both Basra and Kufa, anonymous drahms bearing the name of Khusro II alongside early Arabic marginal phrases were struck at various regional mints. From AH 50 onward, coins openly bearing Ziyad's name emerged in large quantities across western and southern Iran. Dating conventions show regional divergence: mints such as Bishapur, Istakhr, and Hamadhan employed direct Hijri years, recording dates such as AH 50, 51, 52, 53, and 54 in Pahlavi words. Conversely, the mint at Darabjird frequently utilized a frozen calendar year '43', either following the Yazdgerd era or preserving a frozen Hijri year from an earlier landmark emission, struck continuously until and even briefly after Ziyad's death in 673 AD (AH 53). Posthumous issues bearing his name appeared through AH 54 and AH 55 before being fully supplanted by the coinage of his son, Ubayd Allah b. Ziyad.

Circulation, Secondary Treatment, and Legacy

Ziyad b. Abi Sufyan's silver drahms circulated extensively throughout the eastern territories of the Umayyad Caliphate and along peripheral trade routes extending into Central Asia. Because early Islamic commerce accepted silver by weight as well as by count, these drahms frequently experienced secondary physical modifications. Surviving specimens often exhibit irregular flan clipping, an adjustment executed in later decades to reduce original heavy Sasanian-style drahms down toward the lighter post-reform epigraphic dirham standard introduced under Caliph Abd al-Malik. Additionally, drahms traveling into eastern borderlands such as Tokharistan and Sogdiana frequently received small countermarks applied by local Sogdian, Hephthalite, or regional dynastic authorities to authenticate circulation outside caliphal control. The hybrid typology of Ziyad's drahm formed the structural blueprint for subsequent Umayyad provincial governors, demonstrating the essential monetary pragmatism of the early caliphate.

References

1. coin | British Museum. Object IOC.2313
2. ARAB-SASANIAN COINS - Encyclopaedia Iranica. Section 1
3. COINS AND COINAGE - Encyclopaedia Iranica. Section on Islamic period