KAKWAYHID: Faramurz, 1041-1051, AV dinar (3.52g), Isbahan, AH436, A-1592.1, citing the Buwayhid ruler Abu Kalijar, bold mint & date, some minor weakness by the rim, EF, RR, ex M.H. Mirza Collection. Faramurz switched his allegiance from the Buwayhid Abu Kalijar to the Great Seljuq Tughril Beg towards the end of AH434, but reverted to Abu Kalijar in 436, then back to Tughril Beg by 439.

Estimate: USD 250-350