KAKWAYHID: Faramurz, 1041-1051, AV fractional dinar (0.83g), Isfahan, A-1592F, citing the Great Seljuq Tughril Beg, with bow & arrow above both obverse & reverse, date seems to be AH435, as on the common full dinars of Isfahan 435, EF-AU, RRR.
Estimate: 120-160 USD