QARAKHANIDS AT BALKH & TIRMIDH: Ghiyath al-Din Mahmud, 1212, AV dinar (4.16g), Tirmidh, DM, A-G1523, cf. Zeno-52671, cited as the "son of the sultan or sultans", a reference to his father at Samarqand, Ibrahim b. Husayn, decent strike, VF, RRR. Mint name fully legible in the obverse margin, date off flan, but presumably AH604.
Estimate: 350-450 USD