Watch List notes:

FATIMID: al-Mustansir, 1036-1094, AV rub' (¼ dinar) (0.88g), al-Mansuriya, AH437, A-721R, Nicol-2205 (same obverse die), clear mint & date, VF, RR. Nicol-2205 was published as AH439, but this piece, from the same obverse die, clearly shows 437.

Estimate: 400-500 USD