Abraham b. Šemaʿya he-Ḥaver, descendant of Šemaʿya Gaʾon, Isaac b. Samuel ha-Sefardi
Cairo Genizah
<p style='text-align: justify;'>Official letter to Ḥalfon he-Ḥaver, signed by Abraham b. Šemaʿya he-Ḥaver, descendant of Šemaʿya Gaʾon, and Isaac b. Samuel ha-Sefardi, formally asking for a testimony concerning the purity of the wares of Beraḵot. </p>