ISLAMIC, Persia (Pre-Seljuq). Qarakhanids (Local rulers). Ghiyath al-Din Mahmud, AH 609 / AD 1212. Dinar (Gold, 26 mm, 4.16 g, 1 h), citing Ghiyath al-Din Mahmud as "Son of the Sultan" in Arabic, Tirmidh, without date. Album G1523. Extremely rare. Areas of weakness, otherwise, very fine.
From the Dr. David Majer Collection of Islamic coins, formed over the past two decades, ex Album 39, 21 January 2021, 465.
The citing of Ghiyath al-Din Mahmud as 'Son of the Sultan' is a reference to his father, who resided at Samarqand, Ibrahim ibn Husayn.