T-S K2.107
Recto: calendar reckoning for the year [4]814 of the Era of Creation (= 1053-1054 CE), mentioning the Hebrew months and their new moons, with calendar reckonings for other years. Verso: two different letters. The first is a business letter mentioning the city of Alexandria and a certain Ibn Mahdī, referring to the trade in oil (mid-11th century). The second is also commercial, and refers to Abū Sa‛īd Mūsā Ibn Barhūn, Ibn Yūsuf and Abū l-Ḥasan. (Information from CUDL)