`Abd Allah b. `Amir Silver Drahm

Monetary Context and Historical Background

The silver drahm issues bearing the name of `Abd Allah b. `Amir constitute a crucial milestone in early Islamic coinage, falling within the hybrid series known to numismatists as Arab-Sasanian. Following the rapid collapse of the Sasanian state in the mid-7th century AD, the emerging Muslim government did not immediately overhaul the regional monetary system of the conquered eastern provinces. In Iraq, Fars, Kirman, and Khurasan, local commerce, fiscal accounting, and military payrolls had long depended on the silver drahm (or dirham), which had maintained a stable standard of approximately 4.0 grams throughout late Sasanian rule. Rather than inventing an entirely new currency or relying on crude imitations, the early Islamic caliphate adopted the existing infrastructure of the imperial Persian mints. Trained local die-engravers and mint personnel continued their craft under Arab supervision. When `Abd Allah b. `Amir was reappointed governor of Basra by the first Umayyad caliph, Mu`awiya I, in AH 41 (AD 661), the provincial authorities maintained the traditional fabric, iconography, and weight of the late Sasanian coinage. By modifying the dies to incorporate the governor's name in Pahlavi alongside an Arabic religious invocation, this coinage articulated official Islamic authority while preserving the commercial trust and visual familiarity necessary for stable circulation across the Iranian plateau.

Mint Organization and Production Techniques

Production of silver drahms under `Abd Allah b. `Amir was centered in the historical mint cities of southwestern Iran, which operated under the jurisdictional oversight of the governorate of Basra. The primary workshops striking drahms in his name included Bishapur (abbreviated in Pahlavi as BYSh), Darabjird (DA), and Fasa (designated by DA combined with a qualifying mark, transliterated as DAP or DA+P). Secure emissions are also recorded for Ardashir-Khurra (ART) and Istakhr (ST), alongside scarcer issues from provincial centers in Kirman (such as BN) and Yazd (YZ). The manufacturing technique closely mirrored late Sasanian practices. Silver flans were cast, trimmed, and hammered thin before being struck between engraved steel dies. The resulting coins are broad and wafer-thin, typically measuring between 28 and 33 mm in diameter. This extreme thinness occasionally caused technical striking anomalies, such as localized flatness or dead spots where the coin blank failed to fully capture the die's relief. Engraving quality remained consistently high across the major Fars workshops, indicating that established artisan guilds continued to design dies according to standard metropolitan conventions.

Obverse Iconography and Design Elements

The obverse design of this coin family faithfully replicates the standard imperial portraiture developed under the Sasanian king Khusrow II (r. AD 590-628). It features a draped royal bust facing right, crowned with an elaborate mural crown surmounted by a crescent and globe, flanked by two large wings. Elaborate pearl pendants hang from the crown, and the bust is adorned with earrings, a beaded necklace, and shoulder crescents. This royal figure was not a portrait of the Muslim governor `Abd Allah b. `Amir, but rather an immobilized administrative device that preserved the recognized appearance of imperial silver to ensure acceptance in everyday commerce. In the field behind the monarch's head, the traditional Middle Persian formula GDH 'pzwt' (xwarrah abzud, meaning 'may glory increase') is arranged in two vertical columns. In front of the face, where the name of the Sasanian emperor once stood, the name of `Abd Allah b. `Amir is engraved in Pahlavi script. The central portrait is enclosed within a double dotted border, outside of which the margin displays decorative star-and-crescent motifs at the 3, 6, 9, and 12 o'clock positions, often flanked by small ornamental pellet clusters.

Reverse Iconography and Composition

On the reverse, the coin family preserves the core religious symbol of the Sasanian realm: the Zoroastrian fire altar (atasdan). The altar consists of a slender pillar resting upon three stepped plinths, supporting a flared brazier from which three stylized tiers of flame ascend. The flames are flanked at the summit by astral symbols, customarily a star on the left and a crescent on the right, though mirror arrangements occasionally appear on certain regional dies. Standing on either side of the altar are two attendants, typically interpreted as ceremonial priests or royal figures, depicted in profile facing the altar or in three-quarter view. Each attendant rests both hands upon the hilt of a sword or holds the sacred barsom rods in a ritual pose of adoration. Encircling the entire scene is a triple dotted border accented at the four cardinal points by star-and-crescent symbols similar to those on the obverse. The reverse field contains no Arabic script; instead, it is reserved strictly for administrative identification, displaying the regnal or calendar date to the left of the altar and the abbreviated mint signature to the right, both inscribed in Pahlavi.

Epigraphy and Inscriptions

The inscriptions found on `Abd Allah b. `Amir's drahms demonstrate the linguistic transition of early Umayyad administration, combining traditional Middle Persian in Pahlavi script with nascent Arabic epigraphy in early Kufic characters. In the second quadrant of the outer obverse margin (situated between the 3 o'clock and 6 o'clock star-and-crescent devices), the Arabic phrase bism Allah ('In the name of Allah') is engraved. This concise pious formula served as the primary outward indicator of Islamic authority on the coin. In the right obverse field before the royal profile, the governor's name is written in Pahlavi script. On standard issues (catalogued as Album type 6), the inscription reads APDWLA Y AMYRAN (`Abd Allah i `Amiran, meaning '`Abd Allah, son of `Amir'). Rare varieties (Album type 7) omit the patronymic suffix, recording simply APDWLA. Rare die variants from Bishapur display transposed lettering, inverting the sequence of name and patronymic. On the reverse, the Pahlavi legends strictly record the mint and date: the mint monogram appears at 3 o'clock to the right of the fire altar, while the calendar year is spelled out fully in Pahlavi words at 9 o'clock to the left.

Typology and Chronological Classification

The chronological sequence of this drahm series reflects `Abd Allah b. `Amir's second term of governance under Mu`awiya I, beginning with his reappointment in AH 41 (AD 661) and ending with his dismissal around AH 44 or AH 45 (AD 664/665). Modern numismatists categorize the series into two principal typological divisions: the common type bearing the governor's full name and patronymic (Album 6) and the scarcer type presenting his personal name alone (Album 7). The dating schemes present distinct regional complexities. Mints such as Bishapur, Ardashir-Khurra, and Istakhr employed standard Hijri Era dates running from AH 41 to AH 44. In contrast, mints within the Darabjird administrative sphere (DA and DAP) adhered to the post-Sasanian Yazdegerd Era (YE), where dated issues such as year 43 correspond chronologically to circa AH 50-53 (AD 670-673), demonstrating the use of frozen or delayed dating formulas. Furthermore, silver drahms citing `Abd Allah b. `Amir continued to be struck at several southern Iranian mints with dates as late as AH 47 (AD 667/668). These delayed emissions illustrate administrative continuity and lag in updating coin dies following the governor's removal from office.

Circulation, Metrology, and Countermarks

In circulation, the silver drahms of `Abd Allah b. `Amir served as standard currency across Iraq, southern Iran, and the frontiers of Khurasan and Sistan. Struck to the theoretical Sasanian weight norm of approximately 3.8 to 4.15 grams with high silver purity of 90 to 95 percent, they circulated alongside older Sasanian drahms of Khusrow II and Yazdegerd III, as well as contemporaneous issues of other early governors like Ziyad b. Abi Sufyan. Hoard data from the Near East and Central Asia confirms that these silver pieces moved along overland trade routes, where they were accepted on the basis of intrinsic precious metal content. Many surviving specimens display small stamped countermarks applied by merchant communities or neighboring non-Islamic states in Central Asia, including Sogdian and Hephthalite authorities, to validate the coinage for regional use. In the late AH 70s (c. AD 696-699), Caliph `Abd al-Malik introduced the monetary reform that established an all-epigraphic, aniconic dirham struck to a reduced weight standard of approximately 2.8 grams. Consequently, substantial numbers of circulating Arab-Sasanian drahms were either clipped around their outer rims down to the new lower dirham weight or surrendered to caliphal mints to be melted down into new reformed coinage.

References

1. ARAB-SASANIAN COINS. Encyclopaedia Iranica Online
2. COINS AND COINAGE. Encyclopaedia Iranica Online
3. DIRHAM i. In Pre-Islamic Iran. Encyclopaedia Iranica Online
4. Drachm - 'Abd Allah ibn 'Amir. Numista coin record #80757