Watch List notes:

Tabaristan, Abbasid Governors. Sulayman b. Musa. 787-789. AR hemidrachm (23 mm, 8 h). PYE 137 (788/9 A.D.). Sasanian style bust imitating Khosrau II right, but with face replaced by rhomboid bearing the Arabic word bakh / Fire altar flanked by attendants. Malek 105.1; Album 65. NGC MS.

Ex Silk Road Hoard.