ISLAMIC, Persia (Pre-Seljuq). Qarakhanids (Western). Ibrahim ibn Nasr, as governor, circa AH 408-431 / AD 1017-1040. Fals (Bronze, 27 mm, 5.74 g, 7 h), Ilaq, AH [40]9 = AD 1018/9. Citing Ibrahim ibn Nasr as 'Buri Tegin' inside triangle decorated with three crescents. Rev. Citing Mansur ibn Ali as 'Abu al-Muzaffar Arslan Khan' in inner field and as 'al-Amir al-Jalil al-Malik al-Sayyid' in outer margin. Album 3325. Zeno-54134. Very rare. Patina stripped, otherwise, good very fine.

From the Dr. David Majer Collection of Islamic coins and from the R. A. Cannito Collection, Album E-Auction 10, 28 June 2021, 76.