T-S 8J26.16
Letter from Ibn Qaḍīb to Abū l-Ḥasan b. Abū Saʿīd. In Judaeo-Arabic. Concerning business matters such as the sale of gum mastic, and mentioning people including Tamīm Ibn al-Zayyāt, Munajjā b. Abī l-[...], Abū Naṣr, Abū Yaʿqūb, and the fact that Shemuel is arriving in Fusṭāṭ. (Information from CUDL and Goitein's index card.) Needs further examination.