ARAB-SASANIAN. Dabuyads of Tabaristan. Sulayman. 787-789 AD. AR Tabari Drachm (2.23gm, 23mm) Dated PYE 137 (788/9 AD). Sasanian style bust imitating Khosrau II right, but with face replaced by rhomboid bearing the Arabic word bakh / Fire altar flanked by attendants; date and mint. Extremely fine.