QARAKHANID: Ahmad b. Nasr, 999-1014, AR dirham (2.61g), Isbijab, AH397, A-3318, local ruler cited as Mu'izz al-Dawla Matt, with his suzerain Ahmad b. 'Ali, lovely VF. Qarakhanid dirhams struck as Isbijab AH394-402 & 416 also cite the local Mattid ruler, and can thus be filed as either Qarakhanid or Mattid.
Estimate: 100-150 USD