*k T-S AS 153.131
*t Letter
*s 17.9 x 24.9; 15 lines + marginalia (recto; verso is blank) 
*m Paper; 1 leaf; torn, holes, rubbed
*l Judaeo-Arabic
*c Business letter to Abū l-Mun[ā]; mentions a Ibn Nānū and a Hilāl. Letter also speaks about the sale of amber and the intention of the writer to travel.
*e Gotein (1971: 10-11) mentions the prominent Indian trading family Nānū who lived mid-12th to the beginning of the 13th century.