Watch List notes:

ISLAMIC, 'Abbasid Governors of Tabaristan. Anonymous. AR Hemidrachm (24mm, 2.02 g, 3h). Dated PYE 131 (AH 166 / AD 782/3). Crowned Sasanian-style bust right; "strong" before", "excellent" and "good" in 2nd and 3rd quarters of margin / Fire altar flanked by attendants; star and crescent flanking flames. Malek 148; Album 73. VF, toned, thin flan crack, reverse die breaks.

From the J. P. Righetti Collection, 19.