Buwayhid, Ahmad b. Buwayh (328-356h), dirham, Tustur min al-Ahwaz 333h, rev., lillah | Muhammad rasul Allah | sali Allah 'alayhi | al-Muttaqi lillah | 'Ali ibn Buwayh, 4.24g (Treadwell Tu333 var.), very fine and very rare, apparently an unpublished variety (£80-120)