TABARISTAN: Yahya (b. Mikhnâq), 779-781, AR ½ dirham (1.89g), Tabaristan, PYE130, A-60, flame in ObQ1 and ObQ2, supreme strike, lustrous AU, RR. Most examples of Yahya b. Mikhnaq are dated PYE129 - known years 128 and 130 are much rarer.
Estimate: 400-500 USD