al-Hajjaj b. Yusuf Silver Drahm

Monetary and Historical Context

When al-Hajjaj b. Yusuf was appointed viceroy over Iraq and the eastern territories of the Umayyad Caliphate in 694 AD (AH 75), the empire had only recently emerged from the internal turmoil of the Second Fitna. In the formerly Sasanian territories of Iraq and Iran, economic stability depended upon the continued supply of standardized, high-purity silver drachms, to which the regional populace and commercial networks had been accustomed for centuries. Although early Muslim authorities maintained this monetary system by issuing Arab-Sasanian drahms, local administrations and rival factions had frequently altered marginal legends to reflect competing ideological claims. Al-Hajjaj oversaw the eastern mints during a pivotal era of administrative reorganization, during which Caliph Abd al-Malik initiated sweeping imperial reforms. These included the translation of tax registers from Middle Persian into Arabic and the centralization of fiscal authority. In the monetary sphere, the production of Arab-Sasanian drahms bearing al-Hajjaj's name served as a vital transitional phase, maintaining economic confidence while systematically incorporating explicit Muslim confessions of faith onto official specie prior to the complete rollout of post-reform epigraphic dirhams.

Production Technology and Mint Organization

Production of al-Hajjaj's silver drahms continued the technical methods inherited from the late Sasanian Empire. Coin blanks were cast from high-purity silver, flattened into broad and relatively thin planchets, and struck by hand between engraved iron dies. The obverse die was set into an anvil while the reverse die was struck with a hammer. Die axis orientation in this series commonly follows an approximately regular alignment, consistent with the meticulous standards maintained by administrative mint masters in the late seventh century. Mint operations were primarily concentrated in the prosperous province of Fars and adjacent regions of southern and central Iran. The most prolific mints producing drahms for al-Hajjaj were Bishapur (indicated by the Middle Persian signature BYSh) and Ardashir-Khurrah (signed ART). Additional active workshops included Tawwaj (abbreviated TART), Fasa or Darabjird (signed DA or DAP), Yazd (signed YZ), and Jayy in Isfahan (signed GD). These mints possessed deep metallurgical and engraving expertise, enabling them to execute complex bilingual dies with exceptional precision.

Obverse Design and Iconography

The obverse design of al-Hajjaj's drahm adheres closely to the canonical type established by the Sasanian king Khosrau II (r. 590 to 628 AD). At the center, the right-facing royal portrait depicts the king adorned with an elaborate mural crown topped by two wings, a central crescent, and a celestial globe. The bust is depicted in fine detail with royal pearl-bordered drapery, earrings, and a large beaded necklace. Surrounding the bust is a double circular border. Outside this inner circle, astral symbols consisting of a star and crescent are positioned in three quadrants at 3, 6, and 9 o'clock. Behind the portrait's head, the Middle Persian invocation 'GDE / apzut' ('May his glory increase') is maintained in Pahlavi script. The principal ideological divergence from older Sasanian prototypes appears in the field directly before the ruler's face and within the marginal bands, where Arabic script supplants the traditional royal titles.

Reverse Iconography and Structure

On the reverse, al-Hajjaj's drahms retain the ancient Mazdean motif characteristic of the Sasanian silver tradition. The central field displays a Zoroastrian fire altar resting upon three stepped plinths, its flaming receptacle attended on either side by two stylized priests or guards standing facing the viewer with hands clasped in ceremonial posture. Above the flames, small celestial symbols, typically a star to the left and a crescent to the right, flank the summit of the pyre. The entire composition is enclosed by a triple circular border, repeating the decorative scheme of late Sasanian drachm reverse dies. Outside the outermost circle, four star-and-crescent motifs are positioned at the cardinal directions (12, 3, 6, and 9 o'clock), occasionally accompanied by small pellets in specific quadrants depending on the mint and issue. The epigraphic elements on the reverse are entirely executed in Pahlavi script, recording the regnal or calendar year to the left of the altar and the mint abbreviation to the right.

Inscriptions and Epigraphy

The epigraphy of al-Hajjaj's drahms is especially celebrated for its pioneering bilingual integration of Arabic Kufic and Middle Persian Pahlavi. Unlike most contemporary Arab governors who transcribed their names phonetically into Pahlavi script, al-Hajjaj prominently placed his name in Arabic script in the obverse field before the royal face: 'al-Hajjaj bin Yusuf'. A few rare early varieties, notably from Fasa, exist with his name written in Pahlavi, but the Arabic form rapidly became the standard. In the obverse margins, al-Hajjaj introduced significant religious texts. Standard issues feature the concise Arabic formula 'bism Allah' ('In the name of God') in the second quadrant. In more elaborate varieties, a complete radial legend wraps across multiple quadrants of the obverse margin, rendering the full Islamic confession: 'bism Allah la ilaha illa Allah wahdahu Muhammad rasul Allah' ('In the name of God, there is no god but God alone, Muhammad is the messenger of God'). On the reverse, the Pahlavi inscription to the left spells out the date in words, such as 'hshthat' (eighty), while the signature on the right designates the mint workshop.

Typology and Chronological Evolution

The silver drahms of al-Hajjaj b. Yusuf fall into three primary typological groups based on script and marginal legends. The first and rarest type consists of early issues struck shortly after his appointment in AH 75 (694/695 AD), where the governor's name is rendered in Pahlavi script before the bust. This archaic style was swiftly superseded by the second, highly distinctive type featuring the full Arabic radial shahada in the obverse margin and the governor's name in Arabic Kufic in the field, struck primarily between AH 76 and AH 79 (695 to 699 AD) at mints such as Bishapur and Ardashir-Khurrah. The third major variety returned to a simplified obverse margin containing only 'bism Allah', often accompanied by secondary Pahlavi marks or local official names such as Mansur or Farrokhzad in the third margin quadrant, struck between AH 79 and AH 83 (698 to 703 AD). Chronologically, these coins overlap with the debut of Abd al-Malik's purely epigraphic post-reform dirhams, which began striking in Damascus and Iraq around AH 78 and AH 79. The persistence of al-Hajjaj's Arab-Sasanian issues into the early 80s AH illustrates that the demonetization of figurative silver was a gradual regional process.

Circulation, Metrology, and Hoard Evidence

In circulation, al-Hajjaj's drahms conformed to the standard Sasanian drachm metrology, with intact unclipped specimens weighing between 3.8 and 4.1 grams and measuring roughly 30 to 33 millimeters in diameter. Metallurgical analyses of Arab-Sasanian silver from this period show that the coins maintained a high degree of silver fineness, consistently averaging approximately 95 percent pure silver. This adherence to traditional weight and alloy standards ensured their complete acceptance across commercial routes throughout the Iranian plateau and Mesopotamia. Following the widespread enforcement of the Umayyad monetary reform, circulating drahms faced new fiscal regulations. Because the newly introduced epigraphic dirham operated on a lighter standard of approximately 2.97 grams (seven-tenths of a gold mithqal), older Sasanian and Arab-Sasanian drahms were often clipped along their outer margins to reduce their physical mass to match the reform tariff. Hoards discovered across Iran and Central Asia frequently contain a mixture of intact Arab-Sasanian drahms, clipped specimens, and early post-reform dirhams, reflecting decades of concurrent circulation.

References

1. ARAB-SASANIAN COINS. Encyclopaedia Iranica
2. COINS AND COINAGE. Encyclopaedia Iranica
3. SASANIAN COINAGE. Encyclopaedia Iranica
4. Al-Hajjaj ibn Yusuf. Wikipedia