ISLAMIC, Persia (Pre-Seljuq). Qarakhanids (United). Muhammad ibn al-Husayn, circa AH 399 / AD 1008/9. Fals (Bronze, 27 mm, 2.95 g), citing the local governor Matt and Abu Mansur, which is probably the kunya of Muhammad ibn al-Husayn, Isbijab, AH 399 = AD 1008/9. Album 3318M. Zeno-97526 (this coin). Apparently unique. Adjustment marks and with minor deposits, otherwise, very fine.
From the Dr. David Majer Collection of Islamic coins, ex Album 37, 11 June 2020, 746.
S. Album notes: 'This piece is the only reported coin of Muhammad ibn al-Husayn, and the only Qarakhanid copper coin reported for the mint of Isbijab (relatively common mint for silver)'.