Watch List notes:

TABERISTAN, Yahya ibn Mikhnaq (AH 162-164, AD 779-781), AR Hemidrachm (1.98 gm; 23 mm). Obverse, Sasanian-style bust to right; behind head, standard AFZUT GDH, name 'Yahya' in Kufic in front of face; in outer margin, APD / NWKW (goodness and good deed in Pahlawi) and floral ornaments. Rev. Sasanian fire altar with attendants. Mint to the right and date year 129 to the left. Yahya's coin has the most elaborate ring decorations of all Tabaristan series. He governed from 128-130 PYE which we also have coins from Umar ibn A'ala suggesting the year that overlaps their rule. Choice FDC. Lightly toned. Lustrous. Extremely rare.

Estimate: 500 USD