ABBASID: al-Mustakfi, 944-946, AR dirham (2.31g), Madinat al-Salam, AH334, A-263, citing the heir Abu'l-Hasan Muhammad beneath the obverse, with the phrase imam al-haqq above the caliph's name on the reverse, nice strike, VF to EF, R.
Estimate: 300-350 USD