Silver hemidrachm of governor Sulayman bin Musa (787-788 CE), 137 PYE/788 CE, Caliph Harun al-Rashid, Abbasid Governors of Tabaristan

Sassanian-style design, but with the bust replaced with a diamond frame inscribed with arabic "Bakh" ("good"). The diamond is crowned with a Sassanian winged crown surmounted by star and crescent, crescents with stars, Pehlavi words GDE 'pzwty (combined to mean roughly "may kingship increase", left of bust), governor's name Sulayman in arabic to the right, Pehlavi words NYKW ("Good" lower left) and APD ("Excellent" in lower right) // Fire altar with two attendants standing facing, crescents on their heads, mint name in Pehlavi (tpwlst'n for "Tabaristan") to the right, date written out in Pehlavi to the left (137 Post-Yazdegard Era = 788 CE). 23mm, 2.04 grams. Malek 101-105; Album #65; Walker, Arab-Sasanian, 287; Numista #45961.

Sulayman held to the Koranic stricture against portraiture, substituting an abstract design contained within a diamond for the portrait on the Sasanian-style bust. His coins are scarce.

Coins are dated in the post-Yazdigerd era (PYE) calendar, PYE = AH - 34.