Watch List notes:

KHAQANID: Abu'l-Hasan Muhammad b. Ahmad, 981-991, AR donative dirham (2.86g), Bardha'a, AH373, A-1907Z, helmeted horseman left, 3 lines text, abu'l-hayja / 'ali khalifat Allah / muhammad bin al-sallâr / kalima in center, mint & date around, pierced, never cleaned, VF to EF, RRRR. This is only known donative of the Khaqanids, also known as the Shirvanshahs, 2nd period. This is the third known specimen and probably the only one in private hands, and it was published by Akopyan & Vardanyan (reference not available to us). The first several rulers of the Shirvanshahs, until AH455, are also known as the Mazyadids. Careful conservation could significantly improve the appearance of this important coin.

Estimate: 3,600- 4,200 USD