1. Letter T-S 13J23.8 Creator: Abraham b. Šemaʿya he-Ḥaver, descendant of Šemaʿya GaʾonIsaac b. Samuel ha-Sefardi Date: 12th century Language: Judeo-ArabicHebrewOfficial Aramaic (700-300 BCE); Imperial Aramaic (700-300 BCE) Medium: Paper Extent: Leaf: (height: 25.3 cm, width: 20.1 cm)