This is a large and a small fragment of the interior openwork of a mold/ornamental brick lattice. The remaining portion suggests the original design was abstract rather than firgural/symbolic, but this is not completely certain. It is fashioned of a red clay fabric and has remnant white plaster.
From Nubia (Sudan) Gebel Barkal, Building (Temple) B 800-900, room 801 (collumned hall). 1916: excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of the Sudan. (Accession Date: August 19, 2006)
Harvard University—Boston Museum of Fine Arts Expedition