1. Letter to Ali Abu'l-Ḥasan ben Sa'id "the banker" in the Matsatsa, Fustat Creator: Ben ʹAmram,9th/10th cent. Language: Judeo-Arabic Geographic region: Orient Extent: Columns: 1; lines: 19 (recto), 13 (verso); ruling method: in mail format; wide left and upper margins, for postscript on recto; half width of verso used for marginal postscripts, written widthwise.25.7 X 17.6 cm